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IA phone number directory
Carriers, NPAs, prefixes and rate centers for IA.
Top carriers in IA
| Carrier | OCN | Blocks | Open |
|---|---|---|---|
| QWEST CORPORATION | 9631 | 392 | View |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | 195 | View |
| WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | 1167 | 149 | View |
| UNITED STATES CELLULAR CORP. - IOWA | 6266 | 142 | View |
| WINDSTREAM IOWA COMMUNICATIONS, INC. | 1178 | 141 | View |
| SPRINT SPECTRUM L.P. | 6664 | 106 | View |
| MCC TELEPHONY OF IOWA, LLC - IA | 751 | 99 | View |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 72 | View |
| WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | 1170 | 70 | View |
| T-MOBILE USA, INC. | 6529 | 67 | View |
| ONVOY, LLC IA | 221 | 47 | View |
| FRONTIER COMMUNICATIONS OF IOWA, INC. | 1127 | 42 | View |
| FARMERS TELEPHONE CO. | 1177 | 27 | View |
| LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | 26 | View |
| MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | 8474 | 26 | View |
| BANDWIDTH.COM CLEC, LLC - IA | 985 | 22 | View |
| AT&T LOCAL | 7421 | 21 | View |
| WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | 1337 | 20 | View |
| WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | 1328 | 16 | View |
| HEART OF IOWA COMMUNICATIONS COOPERATIVE | 1297 | 14 | View |
| NORTHWEST IOWA TELEPHONE, LLC | 1260 | 14 | View |
| CENTURYLINK COMMUNICATIONS LLC | 7575 | 13 | View |
| LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | 2842 | 13 | View |
| GRAND RIVER MUTUAL TELEPHONE CO. | 1888 | 12 | View |
| SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | 1298 | 11 | View |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IA | 8344 | 11 | View |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 10 | View |
| FARMERS MUTUAL COOPERATIVE TELEPHONE CO. | 1168 | 9 | View |
| HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | 1109 | 9 | View |
| ACE TELEPHONE ASSOCIATION - IOWA | 1346 | 8 | View |
| CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | 8593 | 8 | View |
| INTEGRATED PATH COMMUNICATIONS, LLC - IA | 544 | 8 | View |
| PARTNER COMMUNICATIONS COOPERATIVE | 1187 | 8 | View |
| WESTERN IOWA TELEPHONE ASSOCIATION | 1334 | 8 | View |
| ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA | 1405 | 7 | View |
| AUREON COMMUNICATIONS, LLC | 444 | 7 | View |
| RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | 6674 | 7 | View |
| ALPINE COMMUNICATIONS, L.C. | 1106 | 6 | View |
| LONG LINES METRO, INC. - IA | 828 | 6 | View |
| NORTHERN IOWA TELEPHONE CO. | 1259 | 6 | View |
| OMNITEL COMMUNICATIONS, INC. - IA | 3620 | 6 | View |
| VAN BUREN TELEPHONE CO., INC. | 1319 | 6 | View |
| WEST IOWA TELEPHONE CO. | 1331 | 6 | View |
| WINDSTREAM IT-COMM, LLC - IA | 938 | 6 | View |
| BUTLER - BREMER MUTUAL TELEPHONE CO. | 1115 | 5 | View |
| CITIZENS MUTUAL TELEPHONE COOPERATIVE | 1129 | 5 | View |
| CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | 1123 | 5 | View |
| GOLDFIELD ACCESS NETWORK, L.C. | 7094 | 5 | View |
| C-M-L TELEPHONE COOP. ASSN. OF MERIDEN, IOWA | 1133 | 4 | View |
| COMMUNITY CABLE TV AGCY O'BRIEN CO. DBA COMM.-IA | 3112 | 4 | View |
| COOPERATIVE TELEPHONE CO. | 1139 | 4 | View |
| FARMERS MUTUAL TELEPHONE CO. | 1173 | 4 | View |
| FARMERS MUTUAL TELEPHONE CO. - NORA SPRINGS | 1172 | 4 | View |
| FIBERCOMM, L.C. | 7021 | 4 | View |
| GRISWOLD COOPERATIVE TELEPHONE CO. | 1195 | 4 | View |
| IMON COMMUNICATIONS, LLC - IA | 695 | 4 | View |
| LEHIGH VALLEY COOPERATIVE TELEPHONE ASSN. | 1225 | 4 | View |
| MARNE & ELK HORN TELEPHONE CO. | 1237 | 4 | View |
| METRO PCS, INC. | 5562 | 4 | View |
| MODERN COOPERATIVE TELEPHONE CO. | 1247 | 4 | View |
| NORTHWEST TELEPHONE COOPERATIVE ASSOCIATION | 1261 | 4 | View |
| ROCKWELL COOPERATIVE TELEPHONE ASSOCIATION | 1282 | 4 | View |
| SCHALLER TELEPHONE CO. | 1291 | 4 | View |
| VONAGE NETWORK INC. | 197 | 4 | View |
| YMAX COMMUNICATIONS CORP. - IA | 353 | 4 | View |
| AIRUS, INC. - IA | 423 | 3 | View |
| BREDA TELEPHONE CORP. | 1112 | 3 | View |
| BRIGHTLINK COMMUNICATIONS, LLC | 551 | 3 | View |
| CENTRAL SCOTT TELEPHONE | 1125 | 3 | View |
| COMMCHOICE OF IOWA, LLC | 4092 | 3 | View |
| COMMUNICATIONS 1 NETWORK, INC. | 1262 | 3 | View |
| COX IOWA TELCOM. LLC | 8639 | 3 | View |
| EAST BUCHANAN TELEPHONE COOPERATIVE | 1156 | 3 | View |
| F&B COMMUNICATIONS, INC. - IA | 4245 | 3 | View |
| FARMERS MUTUAL TELEPHONE CO. OF STANTON, IOWA | 1174 | 3 | View |
| FMTC-I35, INC. DBA INTERSTATE COMMUNICATIONS | 1209 | 3 | View |
| GREENWAY COMMUNICATIONS LLC - IA | 860 | 3 | View |
| IOWA NETWORK SVCS INC DBA AUREON NTWK SVCS, INC. | 8858 | 3 | View |
| IOWA RSA 2 LIMITED PARTNERSHIP DBA CHAT MOBILITY | 9572 | 3 | View |
| JEFFERSON TELEPHONE CO. | 1212 | 3 | View |
| KEYSTONE FARMS COOPERATIVE TELEPHONE COMPANY | 1217 | 3 | View |
| MABEL COOPERATIVE TELEPHONE CO. - IOWA | 1424 | 3 | View |
| MEDIAPOLIS TELEPHONE CO. | 1251 | 3 | View |
| NORTHEAST IOWA TELEPHONE CO. | 1230 | 3 | View |
| ONVOY SPECTRUM, LLC | 624 | 3 | View |
| RIVER VALLEY TELECOMMUNICATIONS COOP. | 1189 | 3 | View |
| SOUTH CENTRAL COMMUNICATIONS, INC. | 1094 | 3 | View |
| SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | 562 | 3 | View |
| SOUTHWEST TELEPHONE EXCHANGE, INC. | 1301 | 3 | View |
| WINDSTREAM MONTEZUMA, LLC | 1248 | 3 | View |
| ACE TELEPHONE ASSOCIATION - MINNESOTA | 1345 | 2 | View |
| ADVANCED NETWORK COMMUNICATIONS, LLC | 7458 | 2 | View |
| AYRSHIRE FARMERS MUTUAL TELEPHONE CO. | 1105 | 2 | View |
| BROOKINGS MUNICIPAL UTILITIES | 6982 | 2 | View |
| BTC, INC. - IA | 156 | 2 | View |
| CASCADE COMMUNICATIONS COMPANY | 1118 | 2 | View |
| CLEAR LAKE INDEPENDENT TELEPHONE CO. | 1132 | 2 | View |
| COON VALLEY COOPERATIVE TELEPHONE ASSN., INC. | 1137 | 2 | View |
| COOPERATIVE TELEPHONE EXCHANGE | 1303 | 2 | View |
| CS TECHNOLOGIES, INC. - IA | 204 | 2 | View |
| DUMONT TELEPHONE CO. | 1152 | 2 | View |
| ELECTRONIC ENGINEERING COMPANY | 6753 | 2 | View |
| ELLSWORTH COOPERATIVE TELEPHONE ASSN. | 1157 | 2 | View |
| F&B COMMUNICATIONS, INC. | 1160 | 2 | View |
| FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA | 198 | 2 | View |
| FARMERS COOPERATIVE TELEPHONE CO. | 1162 | 2 | View |
| GREAT LAKES COMMUNICATION CORP. - IA | 345 | 2 | View |
| HUXLEY COMMUNICATIONS COOPERATIVE | 1205 | 2 | View |
| HUXLEY COMMUNICATIONS COOPERATIVE - IA | 5852 | 2 | View |
| IAMO TELEPHONE CO. IA | 1206 | 2 | View |
| INDEPENDENT NETWORKS, LLC | 7215 | 2 | View |
| JORDAN-SOLDIER VALLEY TELEPHONE COMPANY | 1213 | 2 | View |
| KILLDUFF TELEPHONE COMPANY | 747 | 2 | View |
| LA PORTE CITY TELEPHONE COMPANY | 1220 | 2 | View |
| LOST NATION - ELWOOD TELEPHONE COMPANY | 1229 | 2 | View |
| LOUISA COMMUNICATIONS, L.C. | 4650 | 2 | View |
| MASSENA TELEPHONE CO. | 1239 | 2 | View |
| MINERVA VALLEY TELEPHONE CO., INC. | 1246 | 2 | View |
| OLIN TELEPHONE COMPANY | 1264 | 2 | View |
| PANORA COMMUNICATIONS COOPERATIVE | 1271 | 2 | View |
| PRAIRIE TELEPHONE CO., INC. | 1344 | 2 | View |
| PRESTON TELEPHONE CO. | 1276 | 2 | View |
| SAC COUNTY MUTUAL TELEPHONE CO. | 1285 | 2 | View |
| SEARSBORO TELEPHONE CO., INC. | 1292 | 2 | View |
| SHARON TELEPHONE CO. | 1293 | 2 | View |
| SHELLSBURG CABLEVISION, INC. | 4189 | 2 | View |
| SHELLSBURG CABLEVISION, INC. - IA | 527 | 2 | View |
| TELNYX LLC | 073 | 2 | View |
| TITONKA TEL. CO. DBA TITONKA-BURT COMMUNICATIONS | 1310 | 2 | View |
| VILLISCA FARMERS TELEPHONE CO. | 1324 | 2 | View |
| WALNUT TELEPHONE COMPANY, INC. - IA | 774 | 2 | View |
| WEBB - DICKENS TELEPHONE CORP. | 1327 | 2 | View |
| WEST LIBERTY TELEPHONE CO. | 1332 | 2 | View |
| WINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NE | 7816 | 2 | View |
| WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA | 6103 | 2 | View |
| AIRESPRING, INC. | 996 | 1 | View |
| AIRUS, INC. - NE | 478 | 1 | View |
| ALGONA MUNICIPAL UTILITIES - IA | 9900 | 1 | View |
| ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | 1642 | 1 | View |
| ALTA MUNICIPAL UTILITIES - IA | 3097 | 1 | View |
| ANDREW TELEPHONE CO., INC. | 1097 | 1 | View |
| ARCADIA TELEPHONE COOPERATIVE | 1098 | 1 | View |
| ATKINS TELEPHONE CO., INC. | 1101 | 1 | View |
| ATKINS TELEPHONE COMPANY, INC. - IA | 624 | 1 | View |
| BALDWIN NASHVILLE TELEPHONE CO., INC. | 1107 | 1 | View |
| BARNES CITY COOPERATIVE TELEPHONE CO. | 1108 | 1 | View |
| BERNARD TELEPHONE CO., INC. | 1110 | 1 | View |
| BIG RIVER TELEPHONE COMPANY, LLC - IA | 207 | 1 | View |
| BLUE EARTH VALLEY TELEPHONE CO. | 1358 | 1 | View |
| BROOKLYN MUTUAL TELEPHONE CO. | 1113 | 1 | View |
| C-M-L TELEPHONE COOPERATIVE ASSOCIATION OF MERIDEN | 366 | 1 | View |
| CASEY MUTUAL TELEPHONE CO. | 1119 | 1 | View |
| CEDAR COMMUNICATIONS, LLC | 4796 | 1 | View |
| CENTER JUNCTION TELEPHONE CO. | 1121 | 1 | View |
| CENTURYTEL OF CHESTER, INC. DBA CENTURYLINK | 1126 | 1 | View |
| CENTURYTEL OF POSTVILLE, INC. DBA CENTURYLINK | 1274 | 1 | View |
| CLARENCE TELEPHONE CO., INC. | 1130 | 1 | View |
| COLO TELEPHONE CO. | 1134 | 1 | View |
| COMMUNICATIONS 1 NETWORK, INC. - IA | 842 | 1 | View |
| COON RAPIDS MUNICIPAL UTILITY | 4069 | 1 | View |
| CORN BELT COMMUNICATIONS, INC. - IA | 3699 | 1 | View |
| CORN BELT TELEPHONE CO. | 1141 | 1 | View |
| CUMBERLAND TELEPHONE CO. | 1146 | 1 | View |
| DANVILLE MUTUAL TELEPHONE CO. | 1147 | 1 | View |
| DIXON ACQUISITION, LLC | 1150 | 1 | View |
| DUNKERTON TELEPHONE COOPERATIVE | 1153 | 1 | View |
| EMBARQ MISSOURI, INC. - MO DBA CENTURYLINK | 1811 | 1 | View |
| FARMERS & MERCHANTS MUTUAL TELEPHONE CO. | 1166 | 1 | View |
| FARMERS MUTUAL COOPERATIVE TELEPHONE CO. | 1169 | 1 | View |
| FARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY | 5417 | 1 | View |
| FARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY-IA | 5395 | 1 | View |
| FARMERS MUTUAL TELEPHONE CO. | 1171 | 1 | View |
| FARMERS TELEPHONE CO. | 1175 | 1 | View |
| FARMERS TELEPHONE CO. | 1176 | 1 | View |
| FENTON COOPERATIVE TELEPHONE CO. | 1179 | 1 | View |
| FRONTIER COMMUNICATIONS OF MINNESOTA, INC. | 1367 | 1 | View |
| GOLDFIELD TELEPHONE CO. | 1188 | 1 | View |
| GRAND MOUND COOPERATIVE TELEPHONE ASSN. | 1191 | 1 | View |
| GRUNDY CENTER COMMUNICATIONS UTILITY - IA | 3614 | 1 | View |
| GUTHRIE TELECOMMUNICATIONS NETWORK INC. - IA | 5840 | 1 | View |
| HARLAN MUNICIPAL UTILITY-IA | 5361 | 1 | View |
| HARMONY TELEPHONE CO. | 1404 | 1 | View |
| HAWARDEN MUNICIPAL UTILITIES | 8708 | 1 | View |
| HAWKEYE TELEPHONE CO. | 1199 | 1 | View |
| HEART OF IOWA VENTURES, LLC - IA | 346 | 1 | View |
| HOSPERS TELEPHONE EXCHANGE, INC. | 1202 | 1 | View |
| HOSPERS TELEPHONE EXCHANGE, INC. DBA HTC COMM IA | 966 | 1 | View |
| HUBBARD COOPERATIVE TELEPHONE ASSOCIATION | 1203 | 1 | View |
| INDEPENDENCE TELECOMMUNICATIONS UTILITY - IA | 649 | 1 | View |
| INTERSTATE CABLEVISION COMPANY - IA | 860 | 1 | View |
| KALONA COOPERATIVE TELEPHONE CO. | 1214 | 1 | View |
| KALONA COOPERATIVE TELEPHONE COMPANY - IA | 957 | 1 | View |
| LA MOTTE TELEPHONE COMPANY | 1222 | 1 | View |
| LAURENS MUNICIPAL COMMUNICATIONS UTILITY | 4115 | 1 | View |
| LENOX MUNICIPAL COMMUNICATIONS UTILITY - IA | 168 | 1 | View |
| LONE ROCK COOPERATIVE TELEPHONE COMPANY | 1228 | 1 | View |
| LYNNVILLE COMMUNITY TELEPHONE CO., INC. | 1232 | 1 | View |
| MAHASKA COMMUNICATION GROUP, LLC - IA | 916 | 1 | View |
| MANNING MUNICIPAL COMM AND TELVSN SYS UT - IA | 3057 | 1 | View |
| MAPLETON COMMUNICATIONS UTILITY - IA | 130 | 1 | View |
Top 200 carriers (by blocks) in this state.
Ad Unit
Optional ad.Number blocks (sample)
| NPA | NXX | Rate center | Carrier | Open |
|---|---|---|---|---|
| 319 | 200 | CEDAR RPDS | IMON COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 201 | MTPLEASANT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 202 | CEDAR RPDS | T-MOBILE USA, INC. | Prefix |
| 319 | 203 | SWISHER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 204 | MTPLEASANT | FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA | Prefix |
| 319 | 205 | MT VERNON | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 319 | 206 | CEDAR RPDS | ONVOY SPECTRUM, LLC | Prefix |
| 319 | 207 | MORLEY | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 208 | BURLINGTON | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 209 | BURLINGTON | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 210 | CEDAR RPDS | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 212 | COLUMBSJCT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 213 | CEDAR RPDS | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 319 | 214 | VINTON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 215 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 216 | MARTELLE | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 217 | MTPLEASANT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 218 | OLIN | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 219 | MTPLEASANT | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 220 | CENTRAL CY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 221 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 222 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 223 | NEWHALL | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 224 | TROY MILLS | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 225 | AMANA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 226 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 227 | NORWAY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 228 | VAN HORNE | VAN HORNE COOPERATIVE TELEPHONE COMPANY | Prefix |
| 319 | 229 | WATERLOO | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 230 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 231 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 232 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 233 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 234 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 235 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 236 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 237 | BURLINGTON | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 238 | OELWEIN | ONVOY, LLC IA | Prefix |
| 319 | 239 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 240 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 241 | CEDAR RPDS | T-MOBILE USA, INC. | Prefix |
| 319 | 242 | CEDARFALLS | AT&T LOCAL | Prefix |
| 319 | 243 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 244 | ELY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 245 | GRUNDY CTR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 246 | FT MADISON | AT&T LOCAL | Prefix |
| 319 | 247 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 248 | IOWA CITY | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 249 | CEDAR RPDS | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 319 | 250 | FT MADISON | ONVOY, LLC IA | Prefix |
| 319 | 251 | ANAMOSA | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 319 | 252 | WATERLOO | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 253 | HILLSBORO | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 254 | OLDS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 255 | COLUMBSJCT | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 256 | WAYLAND | FARMERS & MERCHANTS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 257 | WINFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 258 | SALEM | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 259 | IOWA CITY | TELNYX LLC | Prefix |
| 319 | 260 | CEDARFALLS | IMON COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 261 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 262 | KALONA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 263 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 264 | OELWEIN | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 265 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 266 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 267 | ALLISON | DUMONT TELEPHONE CO. | Prefix |
| 319 | 268 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 269 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 270 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 271 | INDEPNDNCE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 272 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 273 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 274 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 275 | FREDERIKA | BUTLER - BREMER MUTUAL TELEPHONE CO. | Prefix |
| 319 | 276 | PLAINFIELD | BUTLER - BREMER MUTUAL TELEPHONE CO. | Prefix |
| 319 | 277 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 278 | CLARKSVL | BUTLER - BREMER MUTUAL TELEPHONE CO. | Prefix |
| 319 | 279 | READLYN | READLYN TELEPHONE CO. | Prefix |
| 319 | 280 | KEOSAUQUA | T-MOBILE USA, INC. | Prefix |
| 319 | 281 | HUDSON | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 319 | 282 | NO ENGLISH | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 283 | OELWEIN | QWEST CORPORATION | Prefix |
| 319 | 284 | OELWEIN | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 319 | 285 | SHARON CTR | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 286 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 287 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 288 | KEOSAUQUA | T-MOBILE USA, INC. | Prefix |
| 319 | 289 | CEDAR RPDS | VONAGE NETWORK INC. | Prefix |
| 319 | 290 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 291 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 292 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 293 | KEOSAUQUA | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 294 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 295 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 296 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 297 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 298 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 299 | BELLEPLAIN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 300 | WATERLOO | T-MOBILE USA, INC. | Prefix |
| 319 | 310 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 312 | DYSART | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 313 | KEOKUK | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 316 | FT MADISON | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 318 | VINTON | ONVOY, LLC IA | Prefix |
| 319 | 320 | CEDAR RPDS | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 321 | IOWA CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 322 | NORWAY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 325 | IOWA CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 327 | INDEPNDNCE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 328 | NEWHALL | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 329 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 330 | IOWA CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 331 | IOWA CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 332 | INDEPNDNCE | INDEPENDENCE TELECOMMUNICATIONS UTILITY - IA | Prefix |
| 319 | 333 | IOWA CITY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 334 | INDEPNDNCE | QWEST CORPORATION | Prefix |
| 319 | 335 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 336 | HILLS | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 337 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 338 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 339 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 341 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 342 | LAPORTE CY | LA PORTE CITY TELEPHONE COMPANY | Prefix |
| 319 | 343 | CENTER PT | SHELLSBURG CABLEVISION, INC. - IA | Prefix |
| 319 | 344 | COLUMBSJCT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 345 | REINBECK | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 346 | PARKERSBG | QWEST CORPORATION | Prefix |
| 319 | 347 | APLINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 349 | WATERLOO | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 350 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 351 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 352 | WAVERLY | QWEST CORPORATION | Prefix |
| 319 | 353 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 354 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 355 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 356 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 357 | FAIRFAX | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 358 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 359 | IOWA CITY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 360 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 361 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 362 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 363 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 364 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 365 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 366 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 367 | NEW LONDON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 368 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 369 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 371 | FT MADISON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 372 | FT MADISON | QWEST CORPORATION | Prefix |
| 319 | 373 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 375 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 376 | FT MADISON | QWEST CORPORATION | Prefix |
| 319 | 377 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 378 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 382 | CEDAR RPDS | BRIGHTLINK COMMUNICATIONS, LLC | Prefix |
| 319 | 383 | IOWA CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 384 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 385 | MTPLEASANT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 389 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 390 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 392 | DANVILLE | DANVILLE MUTUAL TELEPHONE CO. | Prefix |
| 319 | 393 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 394 | MEDIAPOLIS | MEDIAPOLIS TELEPHONE CO. | Prefix |
| 319 | 395 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 396 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 397 | CANTRIL | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 398 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 399 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 400 | IOWA CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 404 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 406 | DENVER | AT&T LOCAL | Prefix |
| 319 | 408 | LISBON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 409 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 412 | CEDAR RPDS | T-MOBILE USA, INC. | Prefix |
| 319 | 415 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 419 | WAVERLY | T-MOBILE USA, INC. | Prefix |
| 319 | 421 | SHELL ROCK | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 423 | CEDAR RPDS | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 319 | 425 | ANAMOSA | MARTELLE COOP TEL ASC DBA MARTELLE COMM COOP IA | Prefix |
| 319 | 427 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 429 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 430 | IOWA CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 431 | CEDAR RPDS | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 432 | CEDAR RPDS | ONVOY, LLC IA | Prefix |
| 319 | 433 | WATERLOO | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 434 | BELLEPLAIN | SHELLSBURG CABLEVISION, INC. | Prefix |
| 319 | 435 | COGGON | QWEST CORPORATION | Prefix |
| 319 | 436 | SHELLSBURG | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 437 | PRAIRIEBG | PRAIRIEBURG TELEPHONE CO., INC. | Prefix |
| 319 | 438 | CENTRAL CY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 439 | ELBERON | KEYSTONE FARMS COOPERATIVE TELEPHONE COMPANY | Prefix |
| 319 | 440 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 442 | KEYSTONE | KEYSTONE FARMS COOPERATIVE TELEPHONE COMPANY | Prefix |
| 319 | 443 | URBANA | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 444 | BELLEPLAIN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 445 | REINBECK | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 446 | ATKINS | ATKINS TELEPHONE CO., INC. | Prefix |
| 319 | 447 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 448 | WALKER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 449 | CEDAR RPDS | ONVOY, LLC IA | Prefix |
| 319 | 450 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 453 | SHELLSBURG | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 454 | BLAIRSTOWN | SHELLSBURG CABLEVISION, INC. | Prefix |
| 319 | 455 | LISBON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 456 | RICHLAND | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 457 | BURLINGTON | T-MOBILE USA, INC. | Prefix |
| 319 | 458 | WASHINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 459 | NO LIBERTY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 460 | WASHINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 461 | WASHINGTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 462 | ANAMOSA | QWEST CORPORATION | Prefix |
| 319 | 463 | MONTROSE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 464 | WATERLOO | AT&T LOCAL | Prefix |
| 319 | 465 | MONTICELLO | QWEST CORPORATION | Prefix |
| 319 | 466 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 467 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 469 | HOUGHTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 470 | FT MADISON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 471 | IOWA CITY | AT&T LOCAL | Prefix |
| 319 | 472 | VINTON | QWEST CORPORATION | Prefix |
| 319 | 473 | KEOKUK | T-MOBILE USA, INC. | Prefix |
| 319 | 474 | BRANDON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 475 | MT AUBURN | LA PORTE CITY TELEPHONE COMPANY | Prefix |
| 319 | 476 | DYSART | FARMERS COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 477 | GARRISON | KEYSTONE FARMS COOPERATIVE TELEPHONE COMPANY | Prefix |
| 319 | 478 | TRAER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 479 | CLUTIER | FARMERS COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 480 | ANAMOSA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 481 | ANAMOSA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 482 | MARTELLE | MARTELLE COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 319 | 483 | WAVERLY | QWEST CORPORATION | Prefix |
| 319 | 484 | OLIN | OLIN TELEPHONE COMPANY | Prefix |
| 319 | 486 | WATERLOO | T-MOBILE USA, INC. | Prefix |
| 319 | 488 | KEYSTONE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 489 | MORLEY | OLIN TELEPHONE COMPANY | Prefix |
| 319 | 490 | CEDAR RPDS | ELECTRONIC ENGINEERING COMPANY | Prefix |
| 319 | 491 | CEDAR RPDS | AT&T LOCAL | Prefix |
| 319 | 493 | WATERLOO | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 494 | MTSTERLING | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 495 | LAPORTE CY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 498 | BIRMINGHAM | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 499 | IOWA CITY | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 504 | WATERLOO | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 505 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 509 | OELWEIN | T-MOBILE USA, INC. | Prefix |
| 319 | 512 | IOWA CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 519 | IOWA CITY | AIRUS, INC. - IA | Prefix |
| 319 | 520 | KEOKUK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 521 | CEDAR RPDS | T-MOBILE USA, INC. | Prefix |
| 319 | 523 | WAPELLO | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 524 | KEOKUK | QWEST CORPORATION | Prefix |
| 319 | 525 | HARTWICK | COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 526 | KEOKUK | QWEST CORPORATION | Prefix |
| 319 | 527 | WAPELLO | LOUISA COMMUNICATIONS, L.C. | Prefix |
| 319 | 528 | DENMARK | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 529 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 530 | IOWA CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 531 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 533 | CEDAR RPDS | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 534 | DANVILLE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 535 | MT VERNON | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 319 | 536 | CEDAR RPDS | SHELLSBURG CABLEVISION, INC. - IA | Prefix |
| 319 | 537 | MTPLEASANT | T-MOBILE USA, INC. | Prefix |
| 319 | 538 | CEDAR RPDS | ONVOY, LLC IA | Prefix |
| 319 | 540 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 541 | IOWA CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 543 | SOLON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 545 | TIFFIN | SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | Prefix |
| 319 | 548 | WASHINGTON | T-MOBILE USA, INC. | Prefix |
| 319 | 549 | OLDS | FARMERS AND MERCHANTS MUTUAL TELEPHONE CO - IA | Prefix |
| 319 | 550 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 551 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 552 | MTPLEASANT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 553 | CEDARFALLS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 558 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 559 | WAVERLY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 560 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 561 | FT MADISON | T-MOBILE USA, INC. | Prefix |
| 319 | 569 | IOWA CITY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 572 | BURLINGTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 573 | CEDAR RPDS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 575 | CEDARFALLS | ONVOY, LLC IA | Prefix |
| 319 | 576 | BURLINGTON | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 578 | SWISHER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 582 | CEDAR RPDS | AIRESPRING, INC. | Prefix |
| 319 | 585 | HAZLETON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 589 | ALBURNETT | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 591 | WASHINGTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 592 | BONAPARTE | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 594 | IOWA CITY | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 595 | WATERLOO | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 596 | WAVERLY | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 598 | WASHINGTON | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 319 | 601 | BURLINGTON | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 602 | HUDSON | AT&T LOCAL | Prefix |
| 319 | 609 | AURORA | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 610 | WATERLOO | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 614 | PACKWOOD | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 621 | IOWA CITY | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 622 | AMANA | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 623 | LADORA | COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 624 | SOLON | SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | Prefix |
| 319 | 625 | NO LIBERTY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 626 | NO LIBERTY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 627 | W LIBERTY | WEST LIBERTY TELEPHONE CO. | Prefix |
| 319 | 628 | OXFORD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 629 | LONE TREE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 631 | IOWA CITY | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 632 | NO LIBERTY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 633 | LONE TREE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 634 | AURORA | EAST BUCHANAN TELEPHONE COOPERATIVE | Prefix |
| 319 | 635 | FAIRBANK | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 636 | HAZLETON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 638 | ORAN | ORAN MUTUAL TELEPHONE CO. | Prefix |
| 319 | 639 | KINROSS | MODERN COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 640 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 642 | MARENGO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 643 | WESTBRANCH | WEST LIBERTY TELEPHONE CO. | Prefix |
| 319 | 644 | SOLON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 645 | TIFFIN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 646 | WELLMAN | WELLMAN COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 319 | 647 | VICTOR | COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 648 | RIVERSIDE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 651 | CEDAR RPDS | SPRINT SPECTRUM L.P. | Prefix |
| 319 | 652 | TRAER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 653 | WASHINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 654 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 655 | MILLERSBG | MODERN COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 656 | KALONA | KALONA COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 657 | AINSWORTH | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 658 | CRAWFODSVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 660 | WILLIAMSBG | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 661 | WILLIAMSBG | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 662 | CONROY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 664 | NO ENGLISH | NORTH ENGLISH COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 665 | NO LIBERTY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 667 | SO ENGLISH | MODERN COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 668 | WILLIAMSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 669 | FT MADISON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 670 | KEOKUK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 671 | BURLINGTON | AUREON COMMUNICATIONS, LLC | Prefix |
| 319 | 674 | WELLMAN | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 677 | KEOSAUQUA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 678 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 679 | HILLS | SHARON TELEPHONE CO. | Prefix |
| 319 | 683 | SHARON CTR | SHARON TELEPHONE CO. | Prefix |
| 319 | 685 | GUERNSEY | COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 688 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 693 | CEDAR RPDS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 694 | BRIGHTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 695 | PACKWOOD | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 696 | LOCKRIDGE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 698 | W CHESTER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 699 | ALLISON | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 709 | WINTHROP | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 720 | CEDAR RPDS | WINDSTREAM IT-COMM, LLC - IA | Prefix |
| 319 | 721 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 722 | WILLIAMSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 723 | NICHOLS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 725 | CONESVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 726 | LETTS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 727 | COGGON | ONVOY, LLC IA | Prefix |
| 319 | 728 | COLUMBSJCT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 729 | GRANDVIEW | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 730 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 731 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 734 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 738 | KESWICK | MODERN COOPERATIVE TELEPHONE CO. | Prefix |
| 319 | 739 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 741 | MARENGO | SHELLSBURG CABLEVISION, INC. | Prefix |
| 319 | 743 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 745 | W LIBERTY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 750 | BURLINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 752 | BURLINGTON | QWEST CORPORATION | Prefix |
| 319 | 753 | BURLINGTON | QWEST CORPORATION | Prefix |
| 319 | 754 | BURLINGTON | QWEST CORPORATION | Prefix |
| 319 | 758 | BURLINGTON | QWEST CORPORATION | Prefix |
| 319 | 759 | BURLINGTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 766 | OAKVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 768 | BURLINGTON | QWEST CORPORATION | Prefix |
| 319 | 774 | CEDAR RPDS | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 775 | CEDAR RPDS | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 319 | 777 | CEDAR RPDS | AUREON COMMUNICATIONS, LLC | Prefix |
| 319 | 779 | KALONA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 784 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 786 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 788 | REINBECK | REINBECK MUNICIPAL TELECOMMUNICATIONS UTILITY - IA | Prefix |
| 319 | 789 | WASHINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 790 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 795 | KEOKUK | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 796 | STOCKPORT | VAN BUREN TELEPHONE CO., INC. | Prefix |
| 319 | 799 | ATKINS | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 800 | IOWA CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 804 | CEDAR RPDS | YMAX COMMUNICATIONS CORP. - IA | Prefix |
| 319 | 820 | MONTICELLO | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 319 | 821 | ANAMOSA | T-MOBILE USA, INC. | Prefix |
| 319 | 822 | DUNKERTON | DUNKERTON TELEPHONE COOPERATIVE | Prefix |
| 319 | 823 | GRUNDY CTR | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 824 | GRUNDY CTR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 825 | GRUNDY CTR | GRUNDY CENTER COMMUNICATIONS UTILITY - IA | Prefix |
| 319 | 826 | CEDAR RPDS | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 827 | JESUP | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 828 | OXFORD | SOUTH SLOPE COOPERATIVE TELEPHONE COMPANY - IA | Prefix |
| 319 | 830 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 832 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 833 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 834 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 835 | DONNELLSON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 836 | PRIMROSE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 837 | WEST POINT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 838 | ARGYLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 839 | MARENGO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 841 | ELY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 842 | ALBURNETT | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 319 | 844 | MONTICELLO | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 845 | FAIRFAX | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 846 | FAIRFAX | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 848 | ELY | SOUTH SLOPE COOPERATIVE TELEPHONE CO., INC. | Prefix |
| 319 | 849 | CENTER PT | QWEST CORPORATION | Prefix |
| 319 | 850 | BURLINGTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 851 | PALO | PALO COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 319 | 853 | NO LIBERTY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 854 | SPRINGVL | SPRINGVILLE COOPERATIVE TELEPHONE ASSN., INC. | Prefix |
| 319 | 855 | IOWA CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 319 | 857 | SWISHER | SWISHER TELEPHONE CO. | Prefix |
| 319 | 859 | CEDARFALLS | QWEST CORPORATION | Prefix |
| 319 | 861 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 862 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 863 | WASHINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 319 | 864 | WASHINGTON | KALONA COOPERATIVE TELEPHONE COMPANY - IA | Prefix |
| 319 | 865 | MOUNTUNION | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 866 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 868 | MORNINGSUN | MUTUAL TELEPHONE CO. OF MORNING SUN | Prefix |
| 319 | 874 | WATERLOO | QWEST CORPORATION | Prefix |
| 319 | 877 | WESTBRANCH | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 319 | 878 | FARMINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 881 | WAPELLO | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 882 | TRIPOLI | BUTLER - BREMER MUTUAL TELEPHONE CO. | Prefix |
| 319 | 883 | WATERLOO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 884 | APLINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 885 | SHELL ROCK | BUTLER - BREMER MUTUAL TELEPHONE CO. | Prefix |
| 319 | 887 | IOWA CITY | QWEST CORPORATION | Prefix |
| 319 | 888 | WATERLOO | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 319 | 892 | CEDAR RPDS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 319 | 895 | MT VERNON | QWEST CORPORATION | Prefix |
| 319 | 896 | CEDAR RPDS | QWEST CORPORATION | Prefix |
| 319 | 899 | CEDAR RPDS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 319 | 929 | CEDAR RPDS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 930 | IOWA CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 931 | MTPLEASANT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 934 | QUASQUETON | EAST BUCHANAN TELEPHONE COOPERATIVE | Prefix |
| 319 | 935 | WINTHROP | EAST BUCHANAN TELEPHONE COOPERATIVE | Prefix |
| 319 | 936 | IOWA CITY | T-MOBILE USA, INC. | Prefix |
| 319 | 937 | KINGSTON | MEDIAPOLIS TELEPHONE CO. | Prefix |
| 319 | 938 | ROWLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 939 | WATERLOO | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 961 | WATERLOO | T-MOBILE USA, INC. | Prefix |
| 319 | 975 | ANAMOSA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 319 | 981 | CEDAR RPDS | T-MOBILE USA, INC. | Prefix |
| 319 | 983 | PARKERSBG | QWEST CORPORATION | Prefix |
| 319 | 984 | DENVER | QWEST CORPORATION | Prefix |
| 319 | 985 | DODGEVILLE | MEDIAPOLIS TELEPHONE CO. | Prefix |
| 319 | 986 | MTPLEASANT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 319 | 987 | JANESVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 319 | 988 | HUDSON | QWEST CORPORATION | Prefix |
| 319 | 989 | PARKERSBG | QWEST CORPORATION | Prefix |
| 319 | 999 | CEDAR RPDS | ATKINS TELEPHONE COMPANY, INC. - IA | Prefix |
| 515 | 200 | ALGONA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 201 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 202 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 203 | AMES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 204 | DES MOINES | ONVOY SPECTRUM, LLC | Prefix |
| 515 | 205 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 206 | FORT DODGE | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 207 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 208 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 209 | WEBSTER CY | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 210 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 212 | BOONE | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 213 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 214 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 215 | NEVADA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 216 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 217 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 218 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 219 | ADEL | QWEST CORPORATION | Prefix |
| 515 | 220 | CAMBRIDGE | HUXLEY COMMUNICATIONS COOPERATIVE - IA | Prefix |
| 515 | 221 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 222 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 223 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 224 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 225 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 226 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 227 | FORT DODGE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 228 | SLATER | HUXLEY COMMUNICATIONS COOPERATIVE - IA | Prefix |
| 515 | 229 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 230 | BOONE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 231 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 232 | AMES | QWEST CORPORATION | Prefix |
| 515 | 233 | AMES | QWEST CORPORATION | Prefix |
| 515 | 234 | DES MOINES | ELECTRONIC ENGINEERING COMPANY | Prefix |
| 515 | 235 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 236 | BOONE | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 515 | 237 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 238 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 239 | AMES | QWEST CORPORATION | Prefix |
| 515 | 240 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 241 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 242 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 243 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 244 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 245 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 246 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 247 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 248 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 249 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 250 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 251 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 252 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 253 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 254 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 255 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 256 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 257 | DES MOINES | AT&T LOCAL | Prefix |
| 515 | 258 | DES MOINES | IOWA NETWORK SVCS INC DBA AUREON NTWK SVCS, INC. | Prefix |
| 515 | 259 | DES MOINES | AT&T LOCAL | Prefix |
| 515 | 260 | MOORLAND | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 261 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 262 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 263 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 264 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 265 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 266 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 267 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 268 | AMES | QWEST CORPORATION | Prefix |
| 515 | 269 | FORT DODGE | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 270 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 271 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 272 | SWEA CITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 273 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 274 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 275 | OGDEN | OGDEN TELEPHONE CO. | Prefix |
| 515 | 276 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 277 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 278 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 279 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 280 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 281 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 282 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 283 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 284 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 285 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 286 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 287 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 288 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 289 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 290 | AMES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 291 | AMES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 292 | AMES | QWEST CORPORATION | Prefix |
| 515 | 293 | EAGLEGROVE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 294 | AMES | QWEST CORPORATION | Prefix |
| 515 | 295 | ALGONA | QWEST CORPORATION | Prefix |
| 515 | 296 | AMES | QWEST CORPORATION | Prefix |
| 515 | 297 | WEBSTER CY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 298 | BOONE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 299 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 300 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 302 | FORT DODGE | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 303 | INDIANOLA | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 305 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 306 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 309 | DES MOINES | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 515 | 310 | JEWELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 313 | DES MOINES | AT&T LOCAL | Prefix |
| 515 | 314 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 318 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 319 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 320 | ALGONA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 321 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 322 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 323 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 324 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 325 | BLAIRSBURG | QWEST CORPORATION | Prefix |
| 515 | 326 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 327 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 328 | RANDALL | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 329 | POLK CITY | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 330 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 331 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 332 | HUMBOLDT | QWEST CORPORATION | Prefix |
| 515 | 333 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 334 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 335 | STORY CITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 336 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 337 | AMES | QWEST CORPORATION | Prefix |
| 515 | 338 | ELLSWORTH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 339 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 341 | ALGONA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 342 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 343 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 344 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 345 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 346 | DES MOINES | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 515 | 348 | DES MOINES | AUREON COMMUNICATIONS, LLC | Prefix |
| 515 | 350 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 351 | GOWRIE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 352 | GOWRIE | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 353 | PILOTMOUND | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 354 | HARCOURT | LEHIGH VALLEY COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 356 | VINCENT | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 357 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 358 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 359 | LEHIGH | LEHIGH VALLEY COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 360 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 361 | ALGONA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 362 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 364 | GOLDFIELD | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 365 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 367 | ELKHART | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 368 | HUMBOLDT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 369 | DES MOINES | NEXGEN INTEGRATED COMMUNICATION, LLC - IA | Prefix |
| 515 | 370 | JEFFERSON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 371 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 372 | BOONE | T-MOBILE USA, INC. | Prefix |
| 515 | 373 | GILMORE CY | QWEST CORPORATION | Prefix |
| 515 | 374 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 375 | BRADGATE | QWEST CORPORATION | Prefix |
| 515 | 376 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 378 | THOR | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 379 | LIVERMORE | QWEST CORPORATION | Prefix |
| 515 | 380 | DES MOINES | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 515 | 381 | DES MOINES | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 515 | 382 | NEVADA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 383 | CAMBRIDGE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 384 | JEFFERSON | JEFFERSON TELEPHONE CO. | Prefix |
| 515 | 385 | CLARION | T-MOBILE USA, INC. | Prefix |
| 515 | 386 | JEFFERSON | JEFFERSON TELEPHONE CO. | Prefix |
| 515 | 387 | MAXWELL | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 388 | ROLAND | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 389 | CHURDAN | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 391 | JEFFERSON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 392 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 393 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 395 | ALGONA | ALGONA MUNICIPAL UTILITIES - IA | Prefix |
| 515 | 398 | DES MOINES | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 400 | DES MOINES | ONVOY, LLC IA | Prefix |
| 515 | 401 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 402 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 408 | FORT DODGE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 410 | DES MOINES | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 515 | 412 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 414 | DES MOINES | ONVOY, LLC IA | Prefix |
| 515 | 418 | DES MOINES | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 515 | 419 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 420 | POLK CITY | QWEST CORPORATION | Prefix |
| 515 | 421 | DES MOINES | WINDSTREAM IT-COMM, LLC - IA | Prefix |
| 515 | 422 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 423 | DES MOINES | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 428 | DAWSON | QWEST CORPORATION | Prefix |
| 515 | 432 | BOONE | QWEST CORPORATION | Prefix |
| 515 | 433 | BOONE | QWEST CORPORATION | Prefix |
| 515 | 434 | MCCALLSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 436 | RIPPEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 438 | WOODWARD | MINBURN TELECOMMUNICATIONS, INC. | Prefix |
| 515 | 440 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 441 | AMES | T-MOBILE USA, INC. | Prefix |
| 515 | 442 | INDIANOLA | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 443 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 444 | DES MOINES | ONVOY, LLC IA | Prefix |
| 515 | 445 | HUXLEY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 446 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 447 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 448 | EAGLEGROVE | QWEST CORPORATION | Prefix |
| 515 | 450 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 451 | AMES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 452 | DES MOINES | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 515 | 453 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 454 | STUART | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 455 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 456 | BANCROFT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 457 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 460 | AMES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 462 | WINTERSET | QWEST CORPORATION | Prefix |
| 515 | 463 | KNIERIM | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 465 | PERRY | QWEST CORPORATION | Prefix |
| 515 | 467 | SOMERS | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 468 | WINTERSET | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 471 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 473 | DES MOINES | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 515 | 474 | WINTERSET | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 477 | SWEA CITY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 478 | ADEL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 480 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 481 | PLEASANTVL | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 490 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 491 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 493 | WINTERSET | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 494 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 497 | PRAIRIE CY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 499 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 500 | BOONE | INTEGRATED PATH COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 505 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 508 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 509 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 512 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 517 | EARLHAM | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 518 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 519 | RUNNELLS | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 520 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 523 | STUART | QWEST CORPORATION | Prefix |
| 515 | 525 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 526 | REDFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 528 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 531 | GRANGER | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 515 | 532 | CLARION | QWEST CORPORATION | Prefix |
| 515 | 535 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 536 | KAMRAR | IOWA NETWORK SVCS INC DBA AUREON NTWK SVCS, INC. | Prefix |
| 515 | 537 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 538 | LAKOTA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 539 | KAMRAR | COOPERATIVE TELEPHONE EXCHANGE | Prefix |
| 515 | 542 | BARNUM | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 543 | DUNCOMBE | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 544 | FARNHAMVL | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 545 | BADGER | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 546 | CLARE | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 547 | DAYTON | LEHIGH VALLEY COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 548 | CALLENDER | LEHIGH VALLEY COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 549 | MOORLAND | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 552 | INDIANOLA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 554 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 556 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 557 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 558 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 559 | DES MOINES | AT&T LOCAL | Prefix |
| 515 | 564 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 570 | FORT DODGE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 571 | FORT DODGE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 572 | AMES | QWEST CORPORATION | Prefix |
| 515 | 573 | FORT DODGE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 515 | 574 | FORT DODGE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 515 | 575 | ALGONA | ONVOY, LLC IA | Prefix |
| 515 | 576 | FORT DODGE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 515 | 577 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 578 | LAKOTA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 579 | SLATER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 582 | MADRID | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 515 | 583 | CORWITH | COMMUNICATIONS 1 NETWORK, INC. | Prefix |
| 515 | 585 | VAN METER | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 587 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 589 | WOODWARD | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 597 | HUXLEY | HUXLEY COMMUNICATIONS COOPERATIVE | Prefix |
| 515 | 598 | AMES | QWEST CORPORATION | Prefix |
| 515 | 599 | GRANGER | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 601 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 602 | CLARION | GOLDFIELD ACCESS NETWORK, L.C. | Prefix |
| 515 | 603 | EAGLEGROVE | GOLDFIELD ACCESS NETWORK, L.C. | Prefix |
| 515 | 604 | HUMBOLDT | GOLDFIELD ACCESS NETWORK, L.C. | Prefix |
| 515 | 605 | RENWICK | GOLDFIELD ACCESS NETWORK, L.C. | Prefix |
| 515 | 606 | WEBSTER CY | GOLDFIELD ACCESS NETWORK, L.C. | Prefix |
| 515 | 608 | DES MOINES | BRIGHTLINK COMMUNICATIONS, LLC | Prefix |
| 515 | 609 | CORWITH | GREENWAY COMMUNICATIONS LLC - IA | Prefix |
| 515 | 612 | DES MOINES | WINDSTREAM IT-COMM, LLC - IA | Prefix |
| 515 | 619 | DES MOINES | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 620 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 630 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 631 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 633 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 635 | DES MOINES | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 515 | 639 | DES MOINES | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 641 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 642 | PERRY | MINBURN TELEPHONE COMPANY - IA | Prefix |
| 515 | 643 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 645 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 646 | LEDYARD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 650 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 653 | BURT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 654 | WEBSTER CY | METRO PCS, INC. | Prefix |
| 515 | 657 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 661 | DES MOINES | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 515 | 663 | AMES | QWEST CORPORATION | Prefix |
| 515 | 664 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 668 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 669 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 674 | COLFAX | QWEST CORPORATION | Prefix |
| 515 | 676 | BOUTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 515 | 677 | MINBURN | MINBURN TELEPHONE CO. | Prefix |
| 515 | 679 | WESLEY | QWEST CORPORATION | Prefix |
| 515 | 681 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 685 | SLATER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 686 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 687 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 688 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 689 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 690 | INDIANOLA | IMON COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 695 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 697 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 698 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 699 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 705 | WINTERSET | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 707 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 708 | AMES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 709 | BOONE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 710 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 715 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 717 | DALLAS CTR | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 718 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 719 | TITONKA | T-MOBILE USA, INC. | Prefix |
| 515 | 720 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 721 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 723 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 724 | DES MOINES | ONVOY, LLC IA | Prefix |
| 515 | 725 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 726 | PERRY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 727 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 729 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 731 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 732 | DES MOINES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 515 | 733 | STORY CITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 735 | AMES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 738 | GRAND JCT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 739 | WINTERSET | INTERSTATE CABLEVISION COMPANY - IA | Prefix |
| 515 | 744 | RADCLIFFE | T-MOBILE USA, INC. | Prefix |
| 515 | 745 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 750 | DAWSON | ONVOY, LLC IA | Prefix |
| 515 | 758 | EARLHAM | QWEST CORPORATION | Prefix |
| 515 | 761 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 765 | BANCROFT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 769 | KELLEY | HUXLEY COMMUNICATIONS COOPERATIVE | Prefix |
| 515 | 770 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 771 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 776 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 777 | DES MOINES | AUREON COMMUNICATIONS, LLC | Prefix |
| 515 | 778 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 779 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 782 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 783 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 789 | DEXTER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 795 | MADRID | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 515 | 800 | COLFAX | ONVOY, LLC IA | Prefix |
| 515 | 802 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 803 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 805 | DES MOINES | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 515 | 808 | INDIANOLA | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 515 | 809 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 815 | AMES | T-MOBILE USA, INC. | Prefix |
| 515 | 817 | AMES | QWEST CORPORATION | Prefix |
| 515 | 822 | DES MOINES | T-MOBILE USA, INC. | Prefix |
| 515 | 823 | DES MOINES | VONAGE NETWORK INC. | Prefix |
| 515 | 824 | RENWICK | QWEST CORPORATION | Prefix |
| 515 | 825 | GOLDFIELD | GOLDFIELD TELEPHONE CO. | Prefix |
| 515 | 826 | STANHOPE | COOPERATIVE TELEPHONE EXCHANGE | Prefix |
| 515 | 827 | JEWELL | QWEST CORPORATION | Prefix |
| 515 | 829 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 830 | DES MOINES | IOWA NETWORK SVCS INC DBA AUREON NTWK SVCS, INC. | Prefix |
| 515 | 832 | WEBSTER CY | QWEST CORPORATION | Prefix |
| 515 | 833 | REDFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 834 | DE SOTO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 835 | WEBSTER CY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 836 | ELLSWORTH | ELLSWORTH COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 837 | BARNUM | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 838 | STRATFORD | STRATFORD MUTUAL TELEPHONE CO. | Prefix |
| 515 | 839 | WOOLSTOCK | WOOLSTOCK MUTUAL TELEPHONE ASSOCIATION | Prefix |
| 515 | 843 | CLARE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 846 | BOXHOLM | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 848 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 850 | DES MOINES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 515 | 851 | CLARION | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 852 | DOWS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 854 | WILLIAMS | QWEST CORPORATION | Prefix |
| 515 | 855 | BUCKEYE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 859 | ALDEN | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 864 | DES MOINES | ONVOY, LLC IA | Prefix |
| 515 | 865 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 867 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 868 | DES MOINES | AUREON COMMUNICATIONS, LLC | Prefix |
| 515 | 870 | SWEA CITY | INDEPENDENT NETWORKS, LLC | Prefix |
| 515 | 875 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 878 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 879 | LANYON | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 882 | LUVERNE | QWEST CORPORATION | Prefix |
| 515 | 883 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 884 | WHITTEMORE | QWEST CORPORATION | Prefix |
| 515 | 885 | BANCROFT | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 515 | 886 | LAKOTA | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 515 | 887 | WEST BEND | NORTHWEST TELEPHONE COOPERATIVE ASSOCIATION | Prefix |
| 515 | 888 | BOONE | MID-IOWA TELECOM, LLC - IA | Prefix |
| 515 | 889 | FENTON | FENTON COOPERATIVE TELEPHONE CO. | Prefix |
| 515 | 890 | HUMBOLDT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 893 | GARDENCITY | ELLSWORTH COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 897 | DES MOINES | YMAX COMMUNICATIONS CORP. - IA | Prefix |
| 515 | 899 | RADCLIFFE | RADCLIFFE TELEPHONE CO., INC. | Prefix |
| 515 | 901 | DES MOINES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 515 | 902 | HUMBOLDT | T-MOBILE USA, INC. | Prefix |
| 515 | 918 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 924 | BURT | TITONKA TEL. CO. DBA TITONKA-BURT COMMUNICATIONS | Prefix |
| 515 | 925 | LONE ROCK | LONE ROCK COOPERATIVE TELEPHONE COMPANY | Prefix |
| 515 | 928 | TITONKA | TITONKA TEL. CO. DBA TITONKA-BURT COMMUNICATIONS | Prefix |
| 515 | 934 | NEVADA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 515 | 941 | PLEASANTVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 515 | 943 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 945 | JEFFERSON | JEFFERSON TELEPHONE CO. | Prefix |
| 515 | 949 | EAGLEGROVE | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 515 | 953 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 954 | DES MOINES | WINDSTREAM IT-COMM, LLC - IA | Prefix |
| 515 | 955 | FORT DODGE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 515 | 956 | AMES | QWEST CORPORATION | Prefix |
| 515 | 957 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 961 | INDIANOLA | QWEST CORPORATION | Prefix |
| 515 | 962 | INDIANOLA | QWEST CORPORATION | Prefix |
| 515 | 963 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 964 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 965 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 966 | RUNNELLS | QWEST CORPORATION | Prefix |
| 515 | 967 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 968 | PATON | WEBSTER - CALHOUN COOPERATIVE TELEPHONE ASSN. | Prefix |
| 515 | 971 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 972 | OTHO | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 515 | 974 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 975 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 978 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 979 | DES MOINES | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 515 | 981 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 984 | POLK CITY | QWEST CORPORATION | Prefix |
| 515 | 985 | DES MOINES | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 515 | 986 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 987 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 988 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 989 | DES MOINES | QWEST CORPORATION | Prefix |
| 515 | 991 | DES MOINES | SPRINT SPECTRUM L.P. | Prefix |
| 515 | 992 | DALLAS CTR | QWEST CORPORATION | Prefix |
| 515 | 993 | ADEL | QWEST CORPORATION | Prefix |
| 515 | 994 | PRAIRIE CY | QWEST CORPORATION | Prefix |
| 515 | 996 | VAN METER | QWEST CORPORATION | Prefix |
| 515 | 999 | GRANGER | QWEST CORPORATION | Prefix |
| 563 | 200 | DAVENPORT | ONVOY SPECTRUM, LLC | Prefix |
| 563 | 201 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 202 | DECORAH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 203 | CRESCO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 204 | LANSING | ONVOY, LLC IA | Prefix |
| 563 | 205 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 206 | CLINTON | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 563 | 207 | DUBUQUE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 208 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 209 | DAVENPORT | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 563 | 210 | DAVENPORT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 212 | CLINTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 213 | DUBUQUE | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 214 | DAVENPORT | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 563 | 215 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 216 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 217 | WAUKON | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 218 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 219 | CLINTON | AT&T LOCAL | Prefix |
| 563 | 220 | SABULA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 221 | DE WITT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 222 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 223 | ELDRIDGE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 224 | MAYNARD | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 225 | MCCAUSLAND | CENTRAL SCOTT TELEPHONE | Prefix |
| 563 | 226 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 227 | DUBUQUE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 228 | BELLEVUE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 229 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 230 | DYERSVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 231 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 232 | DAVENPORT | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 563 | 233 | SUMNER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 234 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 235 | DUBUQUE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 236 | ANDREW | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 237 | FREDECKSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 238 | LAWLER | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 239 | DUBUQUE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 240 | LAMOTTE | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 241 | CLINTON | QWEST CORPORATION | Prefix |
| 563 | 242 | CLINTON | QWEST CORPORATION | Prefix |
| 563 | 243 | CLINTON | QWEST CORPORATION | Prefix |
| 563 | 244 | CLINTON | QWEST CORPORATION | Prefix |
| 563 | 245 | ELKADER | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 246 | CALAMUS | F&B COMMUNICATIONS, INC. | Prefix |
| 563 | 247 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 248 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 249 | CLINTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 250 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 251 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 252 | GUTTENBERG | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 253 | TIPTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 254 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 255 | GARBER | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 256 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 257 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 258 | DUBUQUE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 259 | CLINTON | QWEST CORPORATION | Prefix |
| 563 | 260 | MUSCATINE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 261 | MUSCATINE | IMON COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 262 | MUSCATINE | QWEST CORPORATION | Prefix |
| 563 | 263 | MUSCATINE | QWEST CORPORATION | Prefix |
| 563 | 264 | MUSCATINE | QWEST CORPORATION | Prefix |
| 563 | 265 | DAVENPORT | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 266 | BERNARD | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 267 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 268 | BALDWIN | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 269 | CASCADE | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 270 | CENTER JCT | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 271 | DAVENPORT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 272 | MUSCATINE | QWEST CORPORATION | Prefix |
| 563 | 273 | ONSLOW | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 274 | OTTERCREEK | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 563 | 275 | DAVENPORT | WINDSTREAM IT-COMM, LLC - IA | Prefix |
| 563 | 277 | DECORAH | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 280 | DAVENPORT | USA MOBILITY WIRELESS, INC. | Prefix |
| 563 | 282 | DONAHUE | CENTRAL SCOTT TELEPHONE | Prefix |
| 563 | 284 | WALCOTT | QWEST CORPORATION | Prefix |
| 563 | 285 | ELDRIDGE | CENTRAL SCOTT TELEPHONE | Prefix |
| 563 | 288 | MUSCATINE | QWEST CORPORATION | Prefix |
| 563 | 289 | LE CLAIRE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 292 | WEST UNION | AIRUS, INC. - IA | Prefix |
| 563 | 293 | DAVENPORT | ONVOY, LLC IA | Prefix |
| 563 | 295 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 297 | ARLINGTON | BIG RIVER TELEPHONE COMPANY, LLC - IA | Prefix |
| 563 | 299 | MUSCATINE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 300 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 301 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 302 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 303 | FAYETTE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 304 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 305 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 308 | PRESTON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 313 | CRESCO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 315 | STRAWBRYPT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 316 | MUSCATINE | CS TECHNOLOGIES, INC. - IA | Prefix |
| 563 | 320 | DAVENPORT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 321 | CLINTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 322 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 323 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 324 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 325 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 326 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 327 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 328 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 329 | MCGREGOR | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 331 | TIPTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 332 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 333 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 334 | DECORAH | AIRUS, INC. - IA | Prefix |
| 563 | 335 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 336 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 339 | SUMNER | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 340 | DAVENPORT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 343 | DAVENPORT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 344 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 345 | DAVENPORT | CS TECHNOLOGIES, INC. - IA | Prefix |
| 563 | 349 | DAVENPORT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 355 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 357 | CLINTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 358 | FTATKINSON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 359 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 362 | DAVENPORT | BRIGHTLINK COMMUNICATIONS, LLC | Prefix |
| 563 | 363 | MANCHESTER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 365 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 370 | DAVENPORT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 374 | WHEATLAND | F&B COMMUNICATIONS, INC. | Prefix |
| 563 | 375 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 377 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 379 | DECORAH | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 380 | DECORAH | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 381 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 382 | DECORAH | QWEST CORPORATION | Prefix |
| 563 | 383 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 385 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 386 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 387 | DECORAH | QWEST CORPORATION | Prefix |
| 563 | 388 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 391 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 393 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 395 | MUSCATINE | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 563 | 396 | DAVENPORT | T-MOBILE USA, INC. | Prefix |
| 563 | 399 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 402 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 412 | WEST UNION | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 414 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 419 | DECORAH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 421 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 422 | WEST UNION | QWEST CORPORATION | Prefix |
| 563 | 423 | CLERMONT | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 424 | DAVENPORT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 425 | FAYETTE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 426 | ELGIN | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 427 | HAWKEYE | HAWKEYE TELEPHONE CO. | Prefix |
| 563 | 428 | RANDALIA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 429 | ALPHA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 432 | MECHANCSVL | MECHANICSVILLE TELEPHONE CO. | Prefix |
| 563 | 440 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 441 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 443 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 444 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 445 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 447 | WALCOTT | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 563 | 448 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 449 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 451 | DUBUQUE | AT&T LOCAL | Prefix |
| 563 | 452 | CLARENCE | CLARENCE TELEPHONE CO., INC. | Prefix |
| 563 | 454 | WYOMING | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 455 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 459 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 468 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 482 | LAWLER | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 484 | DAVENPORT | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 563 | 485 | ONSLOW | ONSLOW COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 563 | 486 | OXFORD JCT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 487 | CENTER JCT | CENTER JUNCTION TELEPHONE CO. | Prefix |
| 563 | 488 | WYOMING | WYOMING MUTUAL TELEPHONE CO. | Prefix |
| 563 | 492 | SOSPGGROVE | SPRING GROVE COMMUNICATIONS | Prefix |
| 563 | 495 | DUBUQUE | T-MOBILE USA, INC. | Prefix |
| 563 | 496 | HESPER | MABEL COOPERATIVE TELEPHONE CO. - IOWA | Prefix |
| 563 | 497 | DORCHESTER | ACE TELEPHONE ASSOCIATION - MINNESOTA | Prefix |
| 563 | 499 | DAVENPORT | AT&T LOCAL | Prefix |
| 563 | 503 | CLINTON | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 505 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 506 | MUSCATINE | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 508 | DAVENPORT | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 513 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 514 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 516 | ELKADER | T-MOBILE USA, INC. | Prefix |
| 563 | 517 | DECORAH | T-MOBILE USA, INC. | Prefix |
| 563 | 518 | WEST UNION | T-MOBILE USA, INC. | Prefix |
| 563 | 519 | CLINTON | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 563 | 521 | MAQUOKETA | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 563 | 522 | LOW MOOR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 525 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 526 | DAVENPORT | VONAGE NETWORK INC. | Prefix |
| 563 | 528 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 529 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 532 | OSSIAN | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 534 | FTATKINSON | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 535 | WATERVILLE | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 536 | FARMERSBG | NORTHEAST IOWA TELEPHONE CO. | Prefix |
| 563 | 537 | MONONA | T-MOBILE USA, INC. | Prefix |
| 563 | 538 | LANSING | QWEST CORPORATION | Prefix |
| 563 | 539 | MONONA | NORTHEAST IOWA TELEPHONE CO. | Prefix |
| 563 | 542 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 543 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 544 | NEW ALBIN | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 546 | HIGHLANDVL | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 547 | CRESCO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 549 | DAVENPORT | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 563 | 552 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 554 | MUSCATINE | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 556 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 557 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 559 | CLINTON | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 562 | CALMAR | QWEST CORPORATION | Prefix |
| 563 | 564 | DUBUQUE | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 565 | CHESTER | CENTURYTEL OF CHESTER, INC. DBA CENTURYLINK | Prefix |
| 563 | 566 | LIME SPG | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 567 | CASTALIA | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 568 | WAUKON | QWEST CORPORATION | Prefix |
| 563 | 569 | PROTIVIN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 570 | DAVENPORT | T-MOBILE USA, INC. | Prefix |
| 563 | 571 | MUSCATINE | T-MOBILE USA, INC. | Prefix |
| 563 | 574 | DELMAR | F&B COMMUNICATIONS, INC. - IA | Prefix |
| 563 | 577 | GOOSE LAKE | PRESTON TELEPHONE CO. | Prefix |
| 563 | 578 | SUMNER | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 579 | DAVENPORT | T-MOBILE USA, INC. | Prefix |
| 563 | 580 | DUBUQUE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 581 | DUBUQUE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 582 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 583 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 584 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 585 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 586 | HARPESFRRY | ACE TELEPHONE ASSOCIATION - IOWA | Prefix |
| 563 | 587 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 588 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 589 | DUBUQUE | QWEST CORPORATION | Prefix |
| 563 | 590 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 593 | CLINTON | T-MOBILE USA, INC. | Prefix |
| 563 | 594 | DAVENPORT | YMAX COMMUNICATIONS CORP. - IA | Prefix |
| 563 | 595 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 599 | DUBUQUE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 605 | POSTVILLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 607 | MUSCATINE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 608 | MANCHESTER | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 613 | LOW MOOR | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 633 | ARLINGTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 635 | LE CLAIRE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 637 | MAYNARD | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 639 | DAVENPORT | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 645 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 649 | ATALISSA | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 650 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 651 | OXFORD JCT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 652 | MAQUOKETA | QWEST CORPORATION | Prefix |
| 563 | 655 | DE WITT | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 657 | WALCOTT | AT&T LOCAL | Prefix |
| 563 | 658 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 659 | DE WITT | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 661 | MAQUOKETA | AT&T LOCAL | Prefix |
| 563 | 663 | DUBUQUE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 563 | 666 | WALCOTT | ONVOY, LLC IA | Prefix |
| 563 | 672 | ANDREW | ANDREW TELEPHONE CO., INC. | Prefix |
| 563 | 673 | BALDWIN | BALDWIN NASHVILLE TELEPHONE CO., INC. | Prefix |
| 563 | 674 | DELMAR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 676 | DAVENPORT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 677 | CHARLOTTE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 678 | LOSTNATION | LOST NATION - ELWOOD TELEPHONE COMPANY | Prefix |
| 563 | 682 | MILES | MILES COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 563 | 683 | NEW ALBIN | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 686 | OTTERCREEK | CASCADE COMMUNICATIONS COMPANY | Prefix |
| 563 | 687 | SABULA | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 689 | PRESTON | PRESTON TELEPHONE CO. | Prefix |
| 563 | 690 | DUBUQUE | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 563 | 694 | GOOSE LAKE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 722 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 723 | DAVENPORT | ONVOY, LLC IA | Prefix |
| 563 | 724 | MOSCOW | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 725 | ELGIN | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 726 | DAVENPORT | ONVOY, LLC IA | Prefix |
| 563 | 729 | LE CLAIRE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 732 | WILTON | WILTON TELEPHONE CO. | Prefix |
| 563 | 735 | BURR OAK | MABEL COOPERATIVE TELEPHONE CO. - IOWA | Prefix |
| 563 | 737 | RIDGEWAY | MABEL COOPERATIVE TELEPHONE CO. - IOWA | Prefix |
| 563 | 742 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 744 | FARLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 745 | SO CANTON | ACE TELEPHONE ASSOCIATION - MINNESOTA | Prefix |
| 563 | 747 | WALCOTT | SPRINT SPECTRUM L.P. | Prefix |
| 563 | 748 | MAQUOKETA | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 563 | 764 | OSSIAN | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 767 | VOLGA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 770 | MUSCATINE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 773 | LAMOTTE | LA MOTTE TELEPHONE COMPANY | Prefix |
| 563 | 774 | WADENA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 776 | WAUCOMA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 777 | SABULA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 778 | ST LUCAS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 563 | 783 | ST OLAF | NORTHEAST IOWA TELEPHONE CO. | Prefix |
| 563 | 785 | DURANT | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 794 | WAUKON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 800 | CALMAR | ONVOY, LLC IA | Prefix |
| 563 | 822 | MANCHESTER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 823 | DAVENPORT | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 563 | 826 | OXFORD JCT | LOST NATION - ELWOOD TELEPHONE COMPANY | Prefix |
| 563 | 843 | DIXON | DIXON ACQUISITION, LLC | Prefix |
| 563 | 845 | DUBUQUE | AT&T LOCAL | Prefix |
| 563 | 847 | GRANDMOUND | GRAND MOUND COOPERATIVE TELEPHONE ASSN. | Prefix |
| 563 | 849 | HESPER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 852 | CASCADE | CASCADE COMMUNICATIONS COMPANY | Prefix |
| 563 | 853 | LUXEMBURG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 855 | WORTHINGTN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 856 | COLESBURG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 863 | POSTVILLE | NEIT SERVICES LLC - IA | Prefix |
| 563 | 864 | POSTVILLE | CENTURYTEL OF POSTVILLE, INC. DBA CENTURYLINK | Prefix |
| 563 | 870 | HOLY CROSS | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 872 | BELLEVUE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 873 | MCGREGOR | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 875 | DYERSVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 876 | EPWORTH | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 879 | BERNARD | BERNARD TELEPHONE CO., INC. | Prefix |
| 563 | 880 | MCGREGOR | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 883 | SO HARMONY | HARMONY TELEPHONE CO. | Prefix |
| 563 | 884 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 886 | TIPTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 888 | DAVENPORT | QWEST CORPORATION | Prefix |
| 563 | 889 | TIPTON | T-MOBILE USA, INC. | Prefix |
| 563 | 890 | BENNETT | F&B COMMUNICATIONS, INC. - IA | Prefix |
| 563 | 893 | BENNETT | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 920 | MANCHESTER | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 921 | NEW VIENNA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 922 | DELHI | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 923 | EARLVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 924 | LAMONT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 925 | GREELEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 926 | HOPKINTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 927 | MANCHESTER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 928 | EDGEWOOD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 929 | MANCHESTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 932 | RYAN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 933 | STRAWBRYPT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 563 | 934 | MILES | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 563 | 940 | DAVENPORT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 563 | 941 | LOWDEN | F&B COMMUNICATIONS, INC. - IA | Prefix |
| 563 | 942 | STANWOOD | CEDAR COMMUNICATIONS, LLC | Prefix |
| 563 | 944 | LOWDEN | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 945 | STANWOOD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 946 | ROCHESTER | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 563 | 949 | DAVENPORT | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 563 | 964 | GARNAVILLO | ALPINE COMMUNICATIONS, L.C. | Prefix |
| 563 | 999 | MUSCATINE | LOUISA COMMUNICATIONS, L.C. | Prefix |
| 641 | 200 | CHARLES CY | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 641 | 201 | MASON CITY | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 202 | CRESTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 203 | CHARITON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 204 | PELLA | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 205 | KNOXVILLE | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 206 | OSCEOLA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 207 | KEOTA | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 208 | BLOOMFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 209 | FAIRFIELD | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 210 | MASON CITY | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 212 | GREENFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 213 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 216 | CENTERVL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 217 | CHARITON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 218 | KNOXVILLE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 220 | CHARLES CY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 221 | GREENFIELD | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 223 | OSCEOLA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 224 | SIGOURNEY | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 225 | EDDYVILLE | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 226 | OTTUMWA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 227 | BAXTER | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 228 | CHARLES CY | QWEST CORPORATION | Prefix |
| 641 | 229 | NEWHAMPTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 230 | PELLA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 231 | CLEAR LAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 232 | LEIGHTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 233 | FAIRFIELD | T-MOBILE USA, INC. | Prefix |
| 641 | 234 | MOUNT AYR | IOWA RSA 2 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 641 | 235 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 236 | GRINNELL | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 237 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 242 | BLOOMFIELD | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 243 | MASON CITY | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 641 | 244 | OTTUMWA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 247 | FONTANELLE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 251 | FORESTCITY | T-MOBILE USA, INC. | Prefix |
| 641 | 257 | CHARLES CY | QWEST CORPORATION | Prefix |
| 641 | 259 | MONROE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 260 | GRINNELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 262 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 264 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 269 | GRINNELL | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 275 | NEWTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 278 | CRESTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 289 | LAMONI | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 293 | SO EMMONS | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 295 | OSKALOOSA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 297 | ST MARYS | FMTC-I35, INC. DBA INTERSTATE COMMUNICATIONS | Prefix |
| 641 | 298 | AMUND | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | Prefix |
| 641 | 307 | GUTHRIECTR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 308 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 309 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 315 | MARBLEROCK | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 316 | IOWA FALLS | ONVOY, LLC IA | Prefix |
| 641 | 317 | KANAWHA | GREENWAY COMMUNICATIONS LLC - IA | Prefix |
| 641 | 318 | KNOXVILLE | T-MOBILE USA, INC. | Prefix |
| 641 | 321 | MOUNT AYR | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 641 | 322 | CORNING | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 323 | NORTHWOOD | WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA | Prefix |
| 641 | 324 | NORTHWOOD | QWEST CORPORATION | Prefix |
| 641 | 325 | GRINNELL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 326 | MONA | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | Prefix |
| 641 | 328 | MARSHALLTN | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 329 | BAILEY | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | Prefix |
| 641 | 330 | CHARLES CY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 332 | GUTHRIECTR | GUTHRIE TELECOMMUNICATIONS NETWORK INC. - IA | Prefix |
| 641 | 333 | LENOX | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 335 | PRESCOTT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 336 | CLEARFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 337 | ORIENT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 338 | THAYER | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 339 | SHANNON CY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 340 | OSCEOLA | IOWA RSA 2 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 641 | 342 | OSCEOLA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 343 | GREENFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 344 | CRESTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 345 | NEVINVILLE | COON VALLEY COOPERATIVE TELEPHONE ASSN., INC. | Prefix |
| 641 | 346 | ARISPE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 347 | AFTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 348 | KENT | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 349 | SHARPSBURG | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 351 | MARSHALLTN | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 352 | MARSHALLTN | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 641 | 353 | KENSETT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 354 | MARSHALLTN | METRO PCS, INC. | Prefix |
| 641 | 355 | CLEAR LAKE | CLEAR LAKE INDEPENDENT TELEPHONE CO. | Prefix |
| 641 | 357 | CLEAR LAKE | CLEAR LAKE INDEPENDENT TELEPHONE CO. | Prefix |
| 641 | 358 | MESERVEY | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 363 | MINGO | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 364 | ALTA VISTA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 366 | CONRAD | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 369 | BRIDGEWTR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 372 | ROCKWELL | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 373 | IOWA FALLS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 377 | COLO | COLO TELEPHONE CO. | Prefix |
| 641 | 380 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 381 | NORTHWOOD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 384 | BELMOND | METRO PCS, INC. | Prefix |
| 641 | 385 | COLLINS | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 387 | TOLEDO | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 641 | 388 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 390 | NORTHWOOD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 393 | ELMA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 394 | NEWHAMPTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 395 | RUDD | FARMERS MUTUAL TELEPHONE CO. - NORA SPRINGS | Prefix |
| 641 | 396 | ST CHARLES | FMTC-I35, INC. DBA INTERSTATE COMMUNICATIONS | Prefix |
| 641 | 397 | MARBLEROCK | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 398 | FLOYD | FARMERS MUTUAL TELEPHONE CO. - NORA SPRINGS | Prefix |
| 641 | 401 | SWALEDALE | ONVOY, LLC IA | Prefix |
| 641 | 406 | MESERVEY | ONVOY, LLC IA | Prefix |
| 641 | 410 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 413 | LENOX | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 641 | 414 | OSCEOLA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 416 | PELLA | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 417 | NEWTON | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 418 | CORNING | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 641 | 420 | MASON CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 421 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 422 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 423 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 424 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 425 | MASON CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 426 | CHARLES CY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 427 | BAGLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 428 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 429 | JAMAICA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 430 | MASON CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 431 | YALE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 432 | FORESTCITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 433 | WHAT CHEER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 435 | NASHUA | QWEST CORPORATION | Prefix |
| 641 | 436 | CENTERVL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 437 | CENTERVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 439 | YALE | PANORA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 440 | CLEAR LAKE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 442 | DAVIS CITY | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 443 | GARDEN GRV | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 444 | BELMOND | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 445 | WELDON | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 446 | LEON | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 447 | MURRAY | SOUTH CENTRAL COMMUNICATIONS, INC. | Prefix |
| 641 | 449 | NEWVIRGINI | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 450 | MASON CITY | NORTHLAND COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 451 | FAIRFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 452 | UNIONVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 453 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 454 | MANLY | QWEST CORPORATION | Prefix |
| 641 | 455 | OTTUMWA | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 456 | HAMPTON | QWEST CORPORATION | Prefix |
| 641 | 457 | LELAND | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 458 | GENEVA | QWEST CORPORATION | Prefix |
| 641 | 459 | FLORIS | CITIZENS MUTUAL TELEPHONE COOPERATIVE | Prefix |
| 641 | 464 | MOUNT AYR | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 465 | KLEMME | GREENWAY COMMUNICATIONS LLC - IA | Prefix |
| 641 | 466 | LIBERTYCTR | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 469 | FAIRFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 470 | FAIRFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 472 | FAIRFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 473 | GLADBROOK | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 474 | GREEN MT | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 475 | HAVERHILL | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 476 | LAUREL | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 477 | CLEMONS | MINERVA VALLEY TELEPHONE CO., INC. | Prefix |
| 641 | 478 | FERGUSON | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 479 | LE GRAND | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 481 | TOLEDO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 482 | MELBOURNE | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 483 | STATE CTR | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 484 | TOLEDO | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 485 | MARSHALLTN | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 486 | UNION | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 487 | ZEARING | MINERVA VALLEY TELEPHONE CO., INC. | Prefix |
| 641 | 488 | ALBION | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 489 | CHELSEA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 492 | MONTOUR | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 493 | RHODES | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 494 | MASON CITY | QWEST CORPORATION | Prefix |
| 641 | 495 | GOODELL | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 496 | LISCOMB | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 497 | NEWPROVDNC | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 498 | GILMAN | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 499 | GARWIN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 501 | MONTEZUMA | WINDSTREAM MONTEZUMA, LLC | Prefix |
| 641 | 502 | MELBOURNE | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 503 | MOUNT AYR | AT&T LOCAL | Prefix |
| 641 | 504 | OSKALOOSA | T-MOBILE USA, INC. | Prefix |
| 641 | 505 | MANLY | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 641 | 507 | BAXTER | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 509 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 510 | GRINNELL | T-MOBILE USA, INC. | Prefix |
| 641 | 512 | MASON CITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 519 | GARNER | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 521 | NEWTON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 522 | BROOKLYN | BROOKLYN MUTUAL TELEPHONE CO. | Prefix |
| 641 | 523 | CORYDON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 524 | MENLO | COON VALLEY COOPERATIVE TELEPHONE ASSN., INC. | Prefix |
| 641 | 525 | CLEAR LAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 526 | KELLOGG | PARTNER COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 527 | LYNNVILLE | LYNNVILLE COMMUNITY TELEPHONE CO., INC. | Prefix |
| 641 | 528 | MALCOM | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 529 | CLEAR LAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 530 | MASON CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 531 | IOWA FALLS | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 641 | 533 | DERBY | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 534 | LACONA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 535 | RUSSELL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 536 | LENOX | LENOX MUNICIPAL COMMUNICATIONS UTILITY - IA | Prefix |
| 641 | 541 | SIGOURNEY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 548 | MASON CITY | T-MOBILE USA, INC. | Prefix |
| 641 | 551 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 552 | CHARLES CY | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 557 | NEWHAMPTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 561 | BUFFALOCTR | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 562 | BUFFALOCTR | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 565 | CRYSTAL LK | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 566 | RAKE | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 567 | LELAND | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 568 | SCARVILLE | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 569 | OSKALOOSA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 570 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 572 | LEON | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 575 | OTTUMWA | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 641 | 579 | LATIMER | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 580 | LATIMER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 581 | FORESTCITY | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 582 | FORESTCITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 583 | MANLY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 584 | THOMPSON | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 585 | FORESTCITY | WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA | Prefix |
| 641 | 586 | SOUTHADAMS | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | Prefix |
| 641 | 587 | KLEMME | COMMUNICATIONS 1 NETWORK, INC. | Prefix |
| 641 | 588 | JOICE | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 590 | JOICE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 591 | LAKE MILLS | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 592 | LAKE MILLS | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 593 | SEARSBORO | SEARSBORO TELEPHONE CO., INC. | Prefix |
| 641 | 594 | SULLY | SULLY TELEPHONE ASSOCIATION | Prefix |
| 641 | 595 | DEEP RIVER | WINDSTREAM MONTEZUMA, LLC | Prefix |
| 641 | 596 | JOICE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 599 | ST ANSGAR | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 608 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 609 | ALEXANDER | ONVOY, LLC IA | Prefix |
| 641 | 612 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 613 | PELLA | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 614 | SHARPSBURG | ONVOY, LLC IA | Prefix |
| 641 | 620 | PELLA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 621 | PELLA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 622 | SIGOURNEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 623 | MONTEZUMA | WINDSTREAM MONTEZUMA, LLC | Prefix |
| 641 | 624 | DELTA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 625 | PEORIA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 626 | LEIGHTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 627 | OTLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 628 | PELLA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 629 | PELLA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 630 | HAMPTON | METRO PCS, INC. | Prefix |
| 641 | 631 | CHARLES CY | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 632 | ROSE HILL | QWEST CORPORATION | Prefix |
| 641 | 634 | WHAT CHEER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 635 | HARPER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 636 | KEOTA | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 637 | NEW SHARON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 638 | OSKALOOSA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 640 | IOWA FALLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 642 | MOULTON | FARMERS MUTUAL COOPERATIVE TELEPHONE CO. | Prefix |
| 641 | 644 | BARNESCITY | BARNES CITY COOPERATIVE TELEPHONE CO. | Prefix |
| 641 | 646 | ROWAN | ONVOY, LLC IA | Prefix |
| 641 | 647 | MYSTIC | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 648 | IOWA FALLS | QWEST CORPORATION | Prefix |
| 641 | 649 | PLANO | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 651 | PELLA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 652 | ELDON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 653 | HEDRICK | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 655 | FARSON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 656 | MILTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 657 | FORESTCITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 658 | CINCINNATI | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 659 | GRINNELL | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 660 | OSKALOOSA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 661 | MARTINSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 662 | BATAVIA | FARMERS TELEPHONE CO. | Prefix |
| 641 | 664 | BLOOMFIELD | CITIZENS MUTUAL TELEPHONE COOPERATIVE | Prefix |
| 641 | 665 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 666 | OSAGE | ONVOY, LLC IA | Prefix |
| 641 | 667 | OLLIE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 670 | OSKALOOSA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 671 | LENOX | ONVOY, LLC IA | Prefix |
| 641 | 672 | OSKALOOSA | QWEST CORPORATION | Prefix |
| 641 | 673 | OSKALOOSA | QWEST CORPORATION | Prefix |
| 641 | 675 | PULASKI | CITIZENS MUTUAL TELEPHONE COOPERATIVE | Prefix |
| 641 | 676 | OSKALOOSA | MAHASKA COMMUNICATION GROUP, LLC - IA | Prefix |
| 641 | 678 | SEARSBORO | SEARSBORO TELEPHONE CO., INC. | Prefix |
| 641 | 680 | OTTUMWA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 681 | GOODELL | ONVOY, LLC IA | Prefix |
| 641 | 682 | OTTUMWA | QWEST CORPORATION | Prefix |
| 641 | 683 | OTTUMWA | QWEST CORPORATION | Prefix |
| 641 | 684 | OTTUMWA | QWEST CORPORATION | Prefix |
| 641 | 691 | MARSHALLTN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 641 | 692 | ALEXANDER | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 693 | LIBERTYVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 696 | PLYMOUTH | FARMERS TELEPHONE CO. | Prefix |
| 641 | 705 | ELMA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 710 | STACYVILLE | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 713 | ST ANSGAR | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 715 | CHARLES CY | ONVOY, LLC IA | Prefix |
| 641 | 717 | COULTER | ONVOY, LLC IA | Prefix |
| 641 | 722 | DRAKESVL | CITIZENS MUTUAL TELEPHONE COOPERATIVE | Prefix |
| 641 | 724 | MORAVIA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 726 | MELROSE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 728 | PERU | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 732 | OSAGE | QWEST CORPORATION | Prefix |
| 641 | 734 | DIAGONAL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 735 | BUFFALOCTR | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 736 | ST ANSGAR | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 737 | STACYVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 739 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 740 | CASEY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 741 | KILLDUFF | KILLDUFF TELEPHONE COMPANY | Prefix |
| 641 | 742 | ADAIR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 743 | GREENFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 744 | LINDEN | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 745 | FONTANELLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 746 | CASEY | CASEY MUTUAL TELEPHONE CO. | Prefix |
| 641 | 747 | GUTHRIECTR | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 748 | GRAFTON | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 749 | NORA SPG | FARMERS MUTUAL TELEPHONE CO. - NORA SPRINGS | Prefix |
| 641 | 750 | MARSHALLTN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 751 | MARSHALLTN | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 752 | MARSHALLTN | QWEST CORPORATION | Prefix |
| 641 | 753 | MARSHALLTN | QWEST CORPORATION | Prefix |
| 641 | 754 | MARSHALLTN | QWEST CORPORATION | Prefix |
| 641 | 755 | PANORA | PANORA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 756 | ROCKFORD | FARMERS MUTUAL TELEPHONE CO. - NORA SPRINGS | Prefix |
| 641 | 757 | PANORA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 758 | MARSHALLTN | HEART OF IOWA VENTURES, LLC - IA | Prefix |
| 641 | 762 | KANAWHA | COMMUNICATIONS 1 NETWORK, INC. | Prefix |
| 641 | 763 | LORIMOR | SOUTH CENTRAL COMMUNICATIONS, INC. | Prefix |
| 641 | 764 | MARTENSDL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 765 | TRURO | FMTC-I35, INC. DBA INTERSTATE COMMUNICATIONS | Prefix |
| 641 | 766 | LUCAS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 767 | REDDING | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 768 | MACKSBURG | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 772 | TINGLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 773 | GRANDRIVER | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 774 | CHARITON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 775 | BRISTOW | ROCKWELL COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 641 | 777 | OTTUMWA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 780 | PELLA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 781 | NEWTON | T-MOBILE USA, INC. | Prefix |
| 641 | 782 | CRESTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 641 | 783 | KELLERTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 784 | LAMONI | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 785 | BENTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 787 | NEWTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 788 | BLOCKTON | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 790 | SIGOURNEY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 791 | NEWTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 792 | NEWTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 793 | REASNOR | REASNOR TELEPHONE COMPANY, LLC | Prefix |
| 641 | 794 | DOUGHERTY | ROCKWELL COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 641 | 795 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 797 | FERTILE | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 798 | KILLDUFF | KILLDUFF TELEPHONE COMPANY | Prefix |
| 641 | 799 | OTTUMWA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 800 | ACKLEY | ONVOY, LLC IA | Prefix |
| 641 | 808 | COLO | T-MOBILE USA, INC. | Prefix |
| 641 | 812 | HAMPTON | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 814 | OTTUMWA | LOCAL TELEPHONE DATA SERVICES CORP. DBA LTDS CORP. | Prefix |
| 641 | 816 | GREENE | OMNITEL COMMUNICATIONS, INC. - IA | Prefix |
| 641 | 819 | FAIRFIELD | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 820 | KNOXVILLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 821 | GRINNELL | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 822 | ROCKWELL | ROCKWELL COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 641 | 823 | GREENE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 826 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 827 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 828 | KNOXVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 829 | VENTURA | VENTURA TELEPHONE CO., INC. | Prefix |
| 641 | 831 | NEWTON | SPRINT SPECTRUM L.P. | Prefix |
| 641 | 832 | OSAGE | OSAGE MUNICIPAL COMMUNICATIONS UTILITY - IA | Prefix |
| 641 | 834 | LYNNVILLE | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 840 | NEWTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 841 | NEWTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 842 | KNOXVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 843 | BRITT | QWEST CORPORATION | Prefix |
| 641 | 844 | MARSHALLTN | QWEST CORPORATION | Prefix |
| 641 | 845 | KENSETT | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 846 | VENTURA | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 847 | ACKLEY | QWEST CORPORATION | Prefix |
| 641 | 849 | ELDORA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 853 | ROWAN | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 854 | MARSHALLTN | QWEST CORPORATION | Prefix |
| 641 | 856 | CENTERVL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 857 | DUMONT | DUMONT TELEPHONE CO. | Prefix |
| 641 | 858 | ELDORA | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 860 | BRITT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 861 | PELLA | T-MOBILE USA, INC. | Prefix |
| 641 | 862 | WILLIAMSON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 863 | BRITT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 864 | HUBBARD | HUBBARD COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 641 | 865 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 866 | COULTER | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 868 | STEAMBOTRK | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 869 | WELLSBURG | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 870 | CORYDON | IOWA RSA 2 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 641 | 871 | KNOXVILLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 872 | CORYDON | SOUTH CENTRAL COMMUNICATIONS, INC. | Prefix |
| 641 | 873 | ALLERTON | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 874 | PROMISE CY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 876 | LINEVILLE | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 877 | HUMESTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 881 | LATIMER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 887 | SULLY | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 888 | GRINNELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 891 | KNOXVILLE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 892 | SHEFFIELD | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 894 | AREDALE | ROCKWELL COOPERATIVE TELEPHONE ASSOCIATION | Prefix |
| 641 | 895 | CENTERVL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 896 | HANLONTOWN | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 897 | MILLERTON | GRAND RIVER MUTUAL TELEPHONE CO. | Prefix |
| 641 | 898 | SEYMOUR | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 903 | MASON CITY | T-MOBILE USA, INC. | Prefix |
| 641 | 909 | LAKE MILLS | T-MOBILE USA, INC. | Prefix |
| 641 | 919 | FAIRFIELD | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 920 | STEAMBOTRK | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 921 | GREEN MT | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 641 | 922 | CONRAD | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 923 | GARNER | QWEST CORPORATION | Prefix |
| 641 | 924 | GARNER | LEVEL 3 COMMUNICATIONS, LLC - IA | Prefix |
| 641 | 925 | GARNER | COMMUNICATIONS 1 NETWORK, INC. - IA | Prefix |
| 641 | 926 | WODEN | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 927 | MILLER | WINNEBAGO COOP. TELEPHONE ASSN. - IOWA | Prefix |
| 641 | 929 | MARK | CITIZENS MUTUAL TELEPHONE COOPERATIVE | Prefix |
| 641 | 931 | ALBIA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 932 | ALBIA | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 933 | FREMONT | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 934 | BLADENSBG | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 935 | CHILLICOTH | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 936 | DOUDS | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 937 | AGENCY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 938 | BLAKESBURG | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 939 | ELDORA | HEART OF IOWA COMMUNICATIONS COOPERATIVE | Prefix |
| 641 | 942 | MILO | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 943 | ATTICA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 944 | BUSSEY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 946 | LOVILIA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 947 | MELCHER | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 948 | STEVENS | BLUE EARTH VALLEY TELEPHONE CO. | Prefix |
| 641 | 949 | TRACY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 641 | 954 | OTTUMWA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 962 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 969 | EDDYVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 641 | 980 | OTTUMWA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 641 | 982 | NEW HAVEN | FARMERS TELEPHONE CO. | Prefix |
| 641 | 983 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 985 | RICEVILLE | FARMERS TELEPHONE CO. | Prefix |
| 641 | 990 | GRINNELL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 641 | 992 | LTL CEDAR | FARMERS TELEPHONE CO. | Prefix |
| 641 | 995 | SWALEDALE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 998 | THORNTON | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 641 | 999 | NASHUA | ONVOY, LLC IA | Prefix |
| 712 | 200 | ALTA | ALTA MUNICIPAL UTILITIES - IA | Prefix |
| 712 | 201 | UNDERWOOD | ONVOY, LLC IA | Prefix |
| 712 | 202 | SIOUX CITY | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 712 | 203 | SIOUX CITY | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 712 | 204 | SIOUX CITY | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 712 | 205 | AUDUBON | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 712 | 206 | ARMSTRONG | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 207 | SHELBY | WALNUT TELEPHONE COMPANY, INC. - IA | Prefix |
| 712 | 208 | MAPLETON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 209 | ESTHERVL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 210 | LIDDERDALE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 212 | SIOUX CITY | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 712 | 213 | STORM LAKE | LONG LINES METRO, INC. - IA | Prefix |
| 712 | 214 | ASHTON | ONVOY, LLC IA | Prefix |
| 712 | 215 | SHENANDOAH | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 216 | LOGAN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 218 | BATTLE CRK | ONVOY, LLC IA | Prefix |
| 712 | 219 | ONAWA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 220 | CARROLL | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 712 | 221 | CHEROKEE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 222 | SIOUX CITY | LONG LINES METRO, INC. - IA | Prefix |
| 712 | 223 | SIOUX CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 224 | SIOUX CITY | FIBERCOMM, L.C. | Prefix |
| 712 | 225 | CHEROKEE | QWEST CORPORATION | Prefix |
| 712 | 226 | SIOUX CITY | FIBERCOMM, L.C. | Prefix |
| 712 | 227 | CRESCENT | COX IOWA TELCOM. LLC | Prefix |
| 712 | 228 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 229 | CHEROKEE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 230 | HOSPERS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 231 | HOSPERS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 232 | SPENCER | AUREON COMMUNICATIONS, LLC | Prefix |
| 712 | 233 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 234 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 235 | HARLAN | FARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY-IA | Prefix |
| 712 | 236 | HARLAN | FARMERS MUTUAL COOPERATIVE TELEPHONE COMPANY | Prefix |
| 712 | 237 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 238 | SIOUX CITY | LONG LINES METRO, INC. - IA | Prefix |
| 712 | 239 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 240 | SPENCER | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 242 | COUNCILBLF | WINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NE | Prefix |
| 712 | 243 | ATLANTIC | QWEST CORPORATION | Prefix |
| 712 | 244 | SIOUX CITY | LONG LINES METRO, INC. - IA | Prefix |
| 712 | 246 | SHENANDOAH | QWEST CORPORATION | Prefix |
| 712 | 247 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 248 | CARTERLAKE | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 712 | 249 | ATLANTIC | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 250 | ATLANTIC | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 251 | SIOUX CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 252 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 253 | SIOUX CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 254 | ATLANTIC | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 255 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 256 | COUNCILBLF | COX IOWA TELCOM. LLC | Prefix |
| 712 | 257 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 258 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 259 | SIOUX CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 260 | SPENCER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 261 | CHEROKEE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 262 | SPENCER | QWEST CORPORATION | Prefix |
| 712 | 263 | DENISON | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 264 | SPENCER | QWEST CORPORATION | Prefix |
| 712 | 265 | DENISON | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 266 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 267 | DENISON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 268 | EXIRA | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 712 | 269 | DENISON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 270 | SPENCER | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 271 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 272 | NEWELL | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 273 | EARLY | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 274 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 275 | SCHALLER | SCHALLER TELEPHONE CO. | Prefix |
| 712 | 276 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 277 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 278 | IRETON | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 712 | 279 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 280 | HARLAN | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 712 | 281 | SIOUX CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 282 | GALVA | SCHALLER TELEPHONE CO. | Prefix |
| 712 | 283 | SIOUX RPD | QWEST CORPORATION | Prefix |
| 712 | 284 | ALTA | QWEST CORPORATION | Prefix |
| 712 | 285 | SERGENTBLF | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 286 | REMBRANDT | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 287 | NO HOPKINS | EMBARQ MISSOURI, INC. - MO DBA CENTURYLINK | Prefix |
| 712 | 288 | FONDA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 289 | MARATHON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 290 | ROCKWELLCY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 291 | STORM LAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 292 | CARROLL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 293 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 294 | SIOUX CITY | QWEST CORPORATION | Prefix |
| 712 | 295 | PETERSON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 296 | LINN GROVE | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 297 | ROCKWELLCY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 298 | EMMETSBURG | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 299 | STORM LAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 300 | IDA GROVE | ADVANCED NETWORK COMMUNICATIONS, LLC | Prefix |
| 712 | 301 | SIOUX CITY | T-MOBILE USA, INC. | Prefix |
| 712 | 302 | GLENWOOD | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 712 | 303 | CLARINDA | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 712 | 304 | EXIRA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 305 | LE MARS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 306 | BRUNSVILLE | ONVOY, LLC IA | Prefix |
| 712 | 307 | AVOCA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 308 | COUNCILBLF | AT&T LOCAL | Prefix |
| 712 | 309 | COUNCILBLF | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- IA | Prefix |
| 712 | 310 | COUNCILBLF | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 312 | PIERSON | ONVOY, LLC IA | Prefix |
| 712 | 313 | SIDNEY | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 712 | 314 | COUNCILBLF | SPRINT SPECTRUM L.P. | Prefix |
| 712 | 315 | STRUBLE | ONVOY, LLC IA | Prefix |
| 712 | 316 | WASHTA | ONVOY, LLC IA | Prefix |
| 712 | 318 | COUNCILBLF | AUREON COMMUNICATIONS, LLC | Prefix |
| 712 | 320 | SPIRITLAKE | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 321 | CHEROKEE | C-M-L TELEPHONE COOPERATIVE ASSOCIATION OF MERIDEN | Prefix |
| 712 | 322 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 323 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 324 | SHELDON | QWEST CORPORATION | Prefix |
| 712 | 325 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 326 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 327 | RED OAK | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 712 | 328 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 329 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 330 | SPIRITLAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 331 | SPIRITLAKE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 332 | ARNOLDS PK | QWEST CORPORATION | Prefix |
| 712 | 333 | SIOUX CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 334 | SIOUX RPD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 335 | POCAHONTAS | QWEST CORPORATION | Prefix |
| 712 | 336 | SPIRITLAKE | QWEST CORPORATION | Prefix |
| 712 | 337 | ARNOLDS PK | QWEST CORPORATION | Prefix |
| 712 | 338 | MILFORD | QWEST CORPORATION | Prefix |
| 712 | 339 | SPIRITLAKE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 340 | ATLANTIC | BANDWIDTH.COM CLEC, LLC - IA | Prefix |
| 712 | 341 | MATLOCK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 342 | CORECTINVL | ADVANCED NETWORK COMMUNICATIONS, LLC | Prefix |
| 712 | 343 | AVOCA | WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS | Prefix |
| 712 | 344 | SHELDON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 345 | NEMAHA | ONVOY, LLC IA | Prefix |
| 712 | 346 | SPENCER | AT&T LOCAL | Prefix |
| 712 | 347 | CARTERLAKE | QWEST CORPORATION | Prefix |
| 712 | 348 | MATLOCK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 349 | HARRIS | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 350 | HAMBURG | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 351 | HAVELOCK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 352 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 353 | CASTANA | WESTERN IOWA TELEPHONE ASSOCIATION | Prefix |
| 712 | 354 | CHARTEROAK | ONVOY, LLC IA | Prefix |
| 712 | 355 | COUNCILBLF | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 357 | RED OAK | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 712 | 358 | HAVELOCK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 359 | PALMER | PALMER MUTUAL TELEPHONE CO. | Prefix |
| 712 | 360 | ORANGECITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 362 | ESTHERVL | QWEST CORPORATION | Prefix |
| 712 | 363 | SPENCER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 364 | IDA GROVE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 365 | BATTLE CRK | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 366 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 367 | ARTHUR | SAC COUNTY MUTUAL TELEPHONE CO. | Prefix |
| 712 | 368 | HOLSTEIN | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 369 | IDA GROVE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 370 | RED OAK | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 712 | 371 | IDA GROVE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 372 | CORECTINVL | QWEST CORPORATION | Prefix |
| 712 | 373 | ANTHON | QWEST CORPORATION | Prefix |
| 712 | 374 | SIDNEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 375 | PIERSON | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 376 | MARCUS | WEST IOWA TELEPHONE CO. | Prefix |
| 712 | 377 | GRAVITY | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 378 | KINGSLEY | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 379 | ESSEX | FARMERS TELEPHONE CO. | Prefix |
| 712 | 380 | ESTHERVL | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 381 | ROCKRAPIDS | T-MOBILE USA, INC. | Prefix |
| 712 | 382 | HAMBURG | QWEST CORPORATION | Prefix |
| 712 | 383 | KINGSLEY | WESTERN IOWA TELEPHONE ASSOCIATION - IA | Prefix |
| 712 | 384 | CUSHING | SCHALLER TELEPHONE CO. | Prefix |
| 712 | 385 | FARRAGUT | PRAIRIE TELEPHONE CO., INC. | Prefix |
| 712 | 386 | IMOGENE | SOUTHWEST TELEPHONE EXCHANGE, INC. | Prefix |
| 712 | 387 | RIVERTON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 388 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 389 | SIOUX CITY | AT&T LOCAL | Prefix |
| 712 | 390 | SIOUX RPD | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 392 | ESTHERVL | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 393 | DENISON | MONARC TECHNOLOGIES, LLC - IA | Prefix |
| 712 | 395 | ORANGECITY | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 396 | COUNCILBLF | QWEST CORPORATION | Prefix |
| 712 | 400 | ROCKRAPIDS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 404 | HARLAN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 407 | MINDEN | WALNUT TELEPHONE COMPANY, INC. - IA | Prefix |
| 712 | 412 | DOW CITY | ONVOY, LLC IA | Prefix |
| 712 | 415 | EMMETSBURG | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 712 | 420 | ONAWA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 421 | SLOAN | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 422 | HAWARDEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 423 | ONAWA | QWEST CORPORATION | Prefix |
| 712 | 424 | CYLINDER | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 425 | MALLARD | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 426 | AYRSHIRE | AYRSHIRE FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 712 | 427 | BEDFORD | RSA 1 LIMITED PARTNERSHIP DBA CHAT MOBILITY | Prefix |
| 712 | 428 | SLOAN | NORTHWEST IOWA TELEPHONE, LLC | Prefix |
| 712 | 429 | SLOAN | FIBERCOMM, L.C. | Prefix |
| 712 | 430 | MALVERN | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 712 | 431 | ONAWA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | Prefix |
| 712 | 432 | LAKE PARK | GREAT LAKES COMMUNICATION CORP. - IA | Prefix |
| 712 | 433 | ONAWA | COMMCHOICE OF IOWA, LLC | Prefix |
| 712 | 434 | AURELIA | PEOPLES TELEPHONE CO. | Prefix |
| 712 | 435 | COUNCILBLF | SPRINT SPECTRUM L.P. | Prefix |
| 712 | 436 | CLEGHORN | C-M-L TELEPHONE COOP. ASSN. OF MERIDEN, IOWA | Prefix |
| 712 | 437 | LARRABEE | C-M-L TELEPHONE COOP. ASSN. OF MERIDEN, IOWA | Prefix |
| 712 | 438 | CLARINDA | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 439 | HULL | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 712 | 441 | SIOUX CTR | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 442 | WOODBINE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 443 | MERIDEN | C-M-L TELEPHONE COOP. ASSN. OF MERIDEN, IOWA | Prefix |
| 712 | 444 | SIOUX CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 445 | QUIMBY | WEST IOWA TELEPHONE CO. | Prefix |
| 712 | 446 | SUTHERLAND | WEST IOWA TELEPHONE CO. | Prefix |
| 712 | 447 | WASHTA | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 448 | PAULLINA | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 449 | SIOUX CTR | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 450 | LAURENS | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
| 712 | 451 | ROCKVALLEY | PREMIER COMMUNICATIONS, INC. - IA | Prefix |
| 712 | 452 | BLENCOE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 453 | ESSEX | MCC TELEPHONY OF IOWA, LLC - IA | Prefix |
| 712 | 454 | SIOUX CITY | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | Prefix |
| 712 | 455 | WHITING | COMMCHOICE OF IOWA, LLC | Prefix |
| 712 | 456 | PISGAH | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 458 | WHITING | QWEST CORPORATION | Prefix |
| 712 | 459 | HARTLEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 460 | ROCKVALLEY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 461 | SIBLEY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 463 | SIOUX CTR | CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-IA | Prefix |
| 712 | 464 | LAKE CITY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 465 | LOHRVILLE | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 466 | LYTTON | WINDSTREAM IOWA COMMUNICATIONS, INC. | Prefix |
| 712 | 467 | SIDNEY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 468 | POMEROY | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 469 | MANSON | WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH | Prefix |
| 712 | 470 | ROCKVALLEY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 712 | 472 | ROCKRAPIDS | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 712 | 473 | ALVORD | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA | Prefix |
| 712 | 475 | GEORGE | FRONTIER COMMUNICATIONS OF IOWA, INC. | Prefix |
| 712 | 476 | ROCKVALLEY | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 712 | 477 | LARCHWOOD | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA | Prefix |
| 712 | 478 | LESTER | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - IA | Prefix |
| 712 | 479 | LITTLEROCK | NORTHERN IOWA TELEPHONE CO. | Prefix |
| 712 | 480 | EMMETSBURG | UNITED STATES CELLULAR CORP. - IOWA | Prefix |
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