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SD phone number directory
Carriers, NPAs, prefixes and rate centers for SD.
Top carriers in SD
| Carrier | OCN | Blocks | Open |
|---|---|---|---|
| QWEST CORPORATION | 9631 | 104 | View |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | 6569 | 91 | View |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 76 | View |
| MIDCONTINENT COMMUNICATIONS - SD | 7076 | 34 | View |
| VENTURE COMMUNICATIONS COOPERATIVE | 1680 | 30 | View |
| GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | 1659 | 27 | View |
| INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | 1651 | 24 | View |
| VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | 1686 | 19 | View |
| CLARITY TELECOM, LLC DBA VAST BROADBAND | 7024 | 15 | View |
| JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | 1664 | 13 | View |
| BANDWIDTH.COM CLEC, LLC - SD | 106 | 10 | View |
| MIDSTATE COMMUNICATIONS, INC. | 1670 | 10 | View |
| SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | 1676 | 10 | View |
| CLARITY TELECOM, LLC DBA VAST BROADBAND | 1652 | 9 | View |
| CLARITY TELECOM, LLC DBA VAST BROADBAND | 4256 | 9 | View |
| LEVEL 3 COMMUNICATIONS, LLC - SD | 5180 | 9 | View |
| VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | 1685 | 9 | View |
| AT&T LOCAL | 7421 | 8 | View |
| FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | 1660 | 8 | View |
| MCC TELEPHONY OF THE MID-WEST, LLC - SD | 920 | 8 | View |
| WEST RIVER COOPERATIVE TELEPHONE COMPANY | 1689 | 8 | View |
| BROOKINGS MUNICIPAL UTILITIES | 6982 | 7 | View |
| DICKEY RURAL TELEPHONE COOPERATIVE | 1611 | 7 | View |
| AERIAL COMMUNICATIONS | 6701 | 6 | View |
| RC TECHNOLOGIES | 1674 | 6 | View |
| TRIOTEL COMMUNICATIONS, INC. | 1669 | 6 | View |
| CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | 1647 | 5 | View |
| ONVOY, LLC - SD | 162 | 5 | View |
| SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | 1677 | 5 | View |
| ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | 1657 | 4 | View |
| ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | 1642 | 4 | View |
| CITY OF BROOKINGS MUNICIPAL TELEPHONE DEPT. | 1650 | 4 | View |
| CONSOLIDATED TELCOM | 1607 | 4 | View |
| GREAT PLAINS COMMUNICATIONS, INC. | 1577 | 4 | View |
| NORTHERN VALLEY COMMUNICATIONS, LLC | 6125 | 4 | View |
| ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | 1640 | 3 | View |
| LONG LINES METRO, LLC - SD | 7010 | 3 | View |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 3 | View |
| NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | 870 | 3 | View |
| STOCKHOLM - STRANDBURG TELEPHONE CO. | 1679 | 3 | View |
| ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD | 280 | 2 | View |
| CENTURYLINK COMMUNICATIONS LLC | 7575 | 2 | View |
| HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | 1109 | 2 | View |
| KENNEBEC TELEPHONE CO. | 1668 | 2 | View |
| MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- SD | 8281 | 2 | View |
| NATIVE AMERICAN TELECOM, LLC - SD | 424 | 2 | View |
| RC COMMUNICATIONS, INC. - SD | 683 | 2 | View |
| TRI-COUNTY TELCOM, INC. | 1682 | 2 | View |
| UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS | 1684 | 2 | View |
| AIRUS, INC. - SD | 580 | 1 | View |
| ATV HOLDINGS, LLC DBA MITCHELL TELECOM - SD | 682 | 1 | View |
| BERESFORD MUNICIPAL TELEPHONE CO. | 1649 | 1 | View |
| BRIGHTLINK COMMUNICATIONS, LLC | 551 | 1 | View |
| CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | 1123 | 1 | View |
| CITY OF FAITH MUNICIPAL TELEPHONE CO. | 1653 | 1 | View |
| DAKOTACOMM, LLC - SD | 760 | 1 | View |
| FARMERS MUTUAL TELEPHONE CO. | 1389 | 1 | View |
| FIBERCOMM, L.C. | 7021 | 1 | View |
| INTERSTATE TELECOM. COOP., INC. - MINNESOTA | 1654 | 1 | View |
| JEFFERSON TELEPHONE CO. | 1666 | 1 | View |
| KADOKA TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | 1667 | 1 | View |
| MIDSTATE TELECOM, INC. - SD | 9001 | 1 | View |
| NORTHEAST NEBRASKA TELEPHONE CO. | 1576 | 1 | View |
| RED RIVER RURAL TEL ASSN DBA RED RIVER COMM - ND | 1631 | 1 | View |
| RT COMMUNICATIONS | 3410 | 1 | View |
| SOUTH DAKOTA NETWORK, LLC | 8812 | 1 | View |
| SSTELECOM, INC. - SD | 907 | 1 | View |
| STANDING ROCK TELECOMMUNICATIONS, INC. | 374 | 1 | View |
| T-MOBILE USA, INC. | 6529 | 1 | View |
| TELEPORT COMMUNICATIONS AMERICA - SD - LLC | 693 | 1 | View |
| TELNYX LLC | 073 | 1 | View |
| TERRA NOVA TELECOM INC. | 145 | 1 | View |
| THREE RIVER TELEPHONE COMPANY | 1525 | 1 | View |
| VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM | 363 | 1 | View |
| VALLEY TELEPHONE CO. | 1495 | 1 | View |
| VONAGE NETWORK INC. | 197 | 1 | View |
| WEST RIVER TELECOMMUNICATIONS COOP (MOBRIDGE) - SD | 1671 | 1 | View |
| WEST RIVER TELECOMMUNICATIONS COOPERATIVE - SD | 4414 | 1 | View |
| YMAX COMMUNICATIONS CORP. - SD | 365 | 1 | View |
Top 200 carriers (by blocks) in this state.
Ad Unit
Optional ad.Number blocks (sample)
| NPA | NXX | Rate center | Carrier | Open |
|---|---|---|---|---|
| 605 | 200 | DUPREE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 201 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 202 | VERMILLION | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 203 | LK PRESTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 204 | MILLER | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 205 | ELK POINT | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 206 | STURGIS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 207 | PLATTE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 208 | WINNER | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 209 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 210 | BELLEFORCH | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 212 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 213 | HARISBGTEA | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 214 | HARISBGTEA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 215 | SIOUX FLS | AERIAL COMMUNICATIONS | Prefix |
| 605 | 216 | ABERDEEN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 217 | NOSIOUX CY | FIBERCOMM, L.C. | Prefix |
| 605 | 218 | EAGLEBUTTE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 219 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 220 | PIERRE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 221 | SIOUX FLS | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- SD | Prefix |
| 605 | 222 | PIERRE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 223 | PIERRE | QWEST CORPORATION | Prefix |
| 605 | 224 | PIERRE | QWEST CORPORATION | Prefix |
| 605 | 225 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 226 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 227 | ETHAN | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 228 | ABERDEEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 229 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 230 | MOBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 231 | SIOUX FLS | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 232 | NOSIOUX CY | QWEST CORPORATION | Prefix |
| 605 | 233 | CLARK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 234 | CHAMBERLAN | MIDSTATE TELECOM, INC. - SD | Prefix |
| 605 | 235 | NOSIOUX CY | QWEST CORPORATION | Prefix |
| 605 | 236 | MT VERNON | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 237 | WATERTOWN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 238 | HURLEY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 239 | ALEXANDRIA | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 240 | SALEM | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 241 | SIOUX FLS | SOUTH DAKOTA NETWORK, LLC | Prefix |
| 605 | 242 | NOSIOUX CY | LONG LINES METRO, LLC - SD | Prefix |
| 605 | 243 | NEWHOLLAND | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 244 | BISON | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 245 | FTTHOMPSON | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 246 | SPENCER | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 247 | CENTER | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 248 | LETCHER | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 249 | WHITE LAKE | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 250 | SIOUX FLS | ONVOY, LLC - SD | Prefix |
| 605 | 251 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 252 | ABERDEEN | AT&T LOCAL | Prefix |
| 605 | 253 | ALSEN | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 254 | SIOUX FLS | AT&T LOCAL | Prefix |
| 605 | 255 | HERMOSA | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 256 | MADISON | QWEST CORPORATION | Prefix |
| 605 | 257 | NISLAND | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 258 | ONIDA | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 259 | WHITERIVER | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 260 | YANKTON | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 261 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 262 | ABERDEEN | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 263 | IRENE | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 264 | ONIDA | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 265 | WEBSTER | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 266 | HITCHCOCK | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 267 | WAKONDA | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 268 | SISSETON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 269 | SPEARFISH | QWEST CORPORATION | Prefix |
| 605 | 270 | MADISON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 271 | SIOUX FLS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 272 | GARY | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 273 | MCINTOSH | QWEST CORPORATION | Prefix |
| 605 | 274 | SIOUX FLS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 275 | SIOUX FLS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 276 | ROSCOE | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 277 | ABERDEEN | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 278 | SOSCRANTON | CONSOLIDATED TELCOM | Prefix |
| 605 | 279 | WALL | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 280 | PIERRE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 281 | BOWDLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 282 | BOWDLE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 283 | HOSMER | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 284 | EUREKA | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 285 | BOWDLE | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 286 | AVON | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 287 | ROSCOE | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 288 | NO GORDON | GREAT PLAINS COMMUNICATIONS, INC. | Prefix |
| 605 | 289 | SO ASHLEY | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 290 | ABERDEEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 291 | MADISON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 292 | MITCHELL | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 293 | GANNVALLEY | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 294 | CLAREMONT | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 295 | PIERRE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 296 | CANISTOTA | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | Prefix |
| 605 | 297 | PARKER | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 298 | ANDOVER | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 299 | MITCHELL | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 300 | BERESFORD | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 301 | PIERRE | AT&T LOCAL | Prefix |
| 605 | 302 | REDFIELD | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 304 | WHITE | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 305 | SIOUX FLS | TELNYX LLC | Prefix |
| 605 | 306 | SIOUX FLS | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 309 | NOVALENTIN | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 310 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 312 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 313 | REDFIELD | NORTHERN VALLEY COMMUNICATIONS, LLC | Prefix |
| 605 | 314 | MCLAUGHLIN | STANDING ROCK TELECOMMUNICATIONS, INC. | Prefix |
| 605 | 319 | MISSION | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 321 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 322 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 323 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 324 | CRESBARD | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 325 | PIERPONT | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 326 | VIBORG | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 327 | FLYGER | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 328 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 329 | FREDERICK | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 330 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 331 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 332 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 333 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 334 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 335 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 336 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 337 | PLATTE | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 338 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 339 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 340 | SPEARFISH | AT&T LOCAL | Prefix |
| 605 | 341 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 342 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 343 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 344 | BELVIDERE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 345 | WEBSTER | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 346 | SO ELLENDL | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 347 | STURGIS | QWEST CORPORATION | Prefix |
| 605 | 348 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 349 | WESTJASPER | CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN | Prefix |
| 605 | 350 | HURON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 351 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 352 | HURON | QWEST CORPORATION | Prefix |
| 605 | 353 | HURON | QWEST CORPORATION | Prefix |
| 605 | 354 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 355 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 356 | ELK POINT | QWEST CORPORATION | Prefix |
| 605 | 357 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 358 | SO FORBES | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 359 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 360 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 361 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 362 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 363 | HUMBOLDT | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | Prefix |
| 605 | 364 | LESTERVL | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 365 | DUPREE | CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | Prefix |
| 605 | 366 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 367 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 368 | HARISBGTEA | QWEST CORPORATION | Prefix |
| 605 | 369 | SPRINGFLD | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 370 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 371 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 372 | WORTHING | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 373 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 374 | LEMMON | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 375 | BUFFALO | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 376 | SIOUX FLS | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 377 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 378 | NOVALENTIN | QWEST CORPORATION | Prefix |
| 605 | 379 | SO NELVIK | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 380 | ABERDEEN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 381 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 382 | CONDE | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 383 | SO GUELPH | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 384 | WAGNER | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 385 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 386 | QUINN | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 387 | MENNO | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 388 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 389 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 390 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 391 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 392 | ORIENT | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 393 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 394 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 395 | FERNEY | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 396 | COLUMBIA | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 397 | GROTON | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 398 | SUMMIT | RC TECHNOLOGIES | Prefix |
| 605 | 399 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 400 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 404 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 407 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 408 | HARISBGTEA | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 410 | IPSWICH | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 412 | HURON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 413 | SIOUX FLS | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 414 | CASTLEWOOD | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 415 | RAPID CITY | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 417 | FTTHOMPSON | NATIVE AMERICAN TELECOM, LLC - SD | Prefix |
| 605 | 419 | SISSETON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 420 | ROSLYN | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 421 | SALEM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 422 | NOSIOUX CY | LONG LINES METRO, LLC - SD | Prefix |
| 605 | 423 | STURGIS | QWEST CORPORATION | Prefix |
| 605 | 424 | ORAL | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 425 | SALEM | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 426 | IPSWICH | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 427 | MADISON | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 428 | DELLRAPIDS | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | Prefix |
| 605 | 429 | NOCROOKSTN | GREAT PLAINS COMMUNICATIONS, INC. | Prefix |
| 605 | 430 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 431 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 432 | MILBANK | QWEST CORPORATION | Prefix |
| 605 | 433 | INTERIOR | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 434 | MILBANK | RC COMMUNICATIONS, INC. - SD | Prefix |
| 605 | 435 | WAUBAY | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 436 | SENECA | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 437 | HERREID | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 438 | MILBANK | SSTELECOM, INC. - SD | Prefix |
| 605 | 439 | LEOLA | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 440 | CUSTER | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 441 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 442 | TOLSTOY | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 443 | SPEARFISH | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 444 | SIOUX FLS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 445 | MILBANK | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 446 | COLTON | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | Prefix |
| 605 | 447 | ONAKA | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 448 | BRITTON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 449 | EMERY | TRI-COUNTY TELCOM, INC. | Prefix |
| 605 | 450 | REDFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 451 | WAKONDA | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 452 | WOOD | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 453 | MILLER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 454 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 455 | KYLE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 456 | NEWELL | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 457 | CREIGHTON | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 458 | WESSINGTON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 459 | ARDMORE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 460 | REDFIELD | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 461 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 462 | LONGVALLEY | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 463 | TABOR | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 464 | TYNDALL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 465 | CROOKS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 466 | ISABEL | CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | Prefix |
| 605 | 467 | MILBANK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 468 | REDFIELD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 469 | LAKE ANDES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 470 | BRITTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 471 | SALEM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 472 | REDFIELD | QWEST CORPORATION | Prefix |
| 605 | 473 | RELIANCE | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 474 | NLARCHWOOD | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD | Prefix |
| 605 | 475 | REDFIELD | NORTHERN VALLEY COMMUNICATIONS, LLC | Prefix |
| 605 | 477 | FTTHOMPSON | NATIVE AMERICAN TELECOM, LLC - SD | Prefix |
| 605 | 478 | HIGHMORE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 479 | WHENDRICKS | INTERSTATE TELECOM. COOP., INC. - MINNESOTA | Prefix |
| 605 | 480 | MADISON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 481 | LAKE ANDES | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 482 | OLDHAMRMON | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | Prefix |
| 605 | 483 | WENTWORTH | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 484 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 485 | WINFRED | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 486 | ROSLYN | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 487 | LAKE ANDES | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 488 | KADOKA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 489 | CHESTER | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 490 | STURGIS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 491 | LAKE ANDES | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 492 | BRISTOL | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 493 | LANGFORD | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 494 | PIERRE | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 495 | FORESTBURG | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 496 | SIOUX FLS | ONVOY, LLC - SD | Prefix |
| 605 | 497 | WOLSEY | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 498 | HARISBGTEA | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 499 | STURGIS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 500 | YANKTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 504 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 505 | PARKSTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 509 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 515 | WALL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 516 | MURDO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 517 | CUSTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 519 | RAPID CITY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 520 | WATERTOWN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 521 | SIOUX FLS | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 523 | CANOVA | TRIOTEL COMMUNICATIONS, INC. | Prefix |
| 605 | 524 | MCINTOSH | QWEST CORPORATION | Prefix |
| 605 | 526 | WALL LAKE | UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 527 | ARTESIAN | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 528 | HARTFORD | UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 529 | BALTIC | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | Prefix |
| 605 | 530 | FLANDREAU | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 532 | CLARK | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 533 | SOLIDGERWD | RED RIVER RURAL TEL ASSN DBA RED RIVER COMM - ND | Prefix |
| 605 | 534 | FLANDREAU | QWEST CORPORATION | Prefix |
| 605 | 535 | OELRICHS | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 537 | ROSHOLT | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 538 | DUPREE | CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | Prefix |
| 605 | 539 | WESIGTNSPG | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 540 | NOSIOUX CY | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 541 | BIGSTONECY | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 542 | ELKTON | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 543 | CROOKS | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | Prefix |
| 605 | 544 | MILESVILLE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 545 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 546 | IROQUOIS | QWEST CORPORATION | Prefix |
| 605 | 547 | W HAWARDEN | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 605 | 548 | BALTIC | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 549 | SPEARFISH | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 550 | MITCHELL | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 551 | BRITTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 552 | CENTERVL | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 553 | SIOUX FLS | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 605 | 554 | HURON | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 556 | MADISON | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 557 | CLEARFIELD | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 558 | CANTON | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 559 | SPEARFISH | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 560 | BROOKINGSR | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 561 | STURGIS | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 562 | PINE RIDGE | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | Prefix |
| 605 | 563 | CENTERVL | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 564 | SOHETTINGR | CONSOLIDATED TELCOM | Prefix |
| 605 | 565 | WEST AKRON | HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS | Prefix |
| 605 | 566 | SPEARFISH | ONVOY, LLC - SD | Prefix |
| 605 | 567 | HAYES | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 568 | BELLEFORCH | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 569 | BELLEFORCH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 570 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 571 | SPEARFISH | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 572 | ARMOUR | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 573 | FLANDREAU | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 574 | HILL CITY | QWEST CORPORATION | Prefix |
| 605 | 575 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 576 | SOUTH LADD | CONSOLIDATED TELCOM | Prefix |
| 605 | 577 | LONG LAKE | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 578 | SPEARFISH | QWEST CORPORATION | Prefix |
| 605 | 579 | HOWARD | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 580 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 581 | VERMILLION | DAKOTACOMM, LLC - SD | Prefix |
| 605 | 582 | BRANDON | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | Prefix |
| 605 | 583 | SCOTLAND | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 584 | SPEARFISH | QWEST CORPORATION | Prefix |
| 605 | 585 | NOSIOUX CY | T-MOBILE USA, INC. | Prefix |
| 605 | 586 | NUNDA | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 587 | NO BRISTOW | NORTHEAST NEBRASKA TELEPHONE CO. | Prefix |
| 605 | 588 | WEBSTER | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 589 | TYNDALL | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 590 | WEBSTER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 591 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 592 | BROOKINGS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 593 | RAPID CITY | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 594 | GARRETSON | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | Prefix |
| 605 | 595 | SIOUX FLS | AT&T LOCAL | Prefix |
| 605 | 596 | TULARE | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 597 | MITCHELL | QWEST CORPORATION | Prefix |
| 605 | 598 | FAULKTON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 599 | CAVOUR | QWEST CORPORATION | Prefix |
| 605 | 609 | PIERRE | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 610 | SIOUX FLS | LEVEL 3 COMMUNICATIONS, LLC - SD | Prefix |
| 605 | 613 | PLATTE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 615 | PINE RIDGE | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | Prefix |
| 605 | 620 | LK PRESTON | ONVOY, LLC - SD | Prefix |
| 605 | 622 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 623 | REVILLO | STOCKHOLM - STRANDBURG TELEPHONE CO. | Prefix |
| 605 | 624 | VERMILLION | QWEST CORPORATION | Prefix |
| 605 | 625 | BRYNTWLWLK | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 626 | ABERDEEN | QWEST CORPORATION | Prefix |
| 605 | 627 | VOLGA | QWEST CORPORATION | Prefix |
| 605 | 628 | BRYNTWLWLK | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 629 | WHITE | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 630 | MITCHELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 631 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 632 | LK PRESTON | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 633 | FLANDREAU | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 635 | DOLAND | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 636 | MADISON | QWEST CORPORATION | Prefix |
| 605 | 637 | NEWEFFNGTN | RC TECHNOLOGIES | Prefix |
| 605 | 638 | VERMILLION | QWEST CORPORATION | Prefix |
| 605 | 639 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 641 | SPEARFISH | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 642 | SPEARFISH | QWEST CORPORATION | Prefix |
| 605 | 643 | SELBY | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 644 | SPEARFISH | QWEST CORPORATION | Prefix |
| 605 | 645 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 646 | RAPID CITY | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 647 | LENNOX | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 648 | MARION | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 649 | SELBY | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 651 | BROOKINGS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 652 | CLAIRECITY | RC TECHNOLOGIES | Prefix |
| 605 | 653 | YANKTON | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 654 | BONESTEEL | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 655 | YANKTON | QWEST CORPORATION | Prefix |
| 605 | 656 | MITCHELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 658 | VERMILLION | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 659 | VERMILLION | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 660 | YANKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 661 | YANKTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 662 | EDGEMONT | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 664 | YANKTON | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 665 | YANKTON | QWEST CORPORATION | Prefix |
| 605 | 666 | KEYSTONE | FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO | Prefix |
| 605 | 668 | YANKTON | QWEST CORPORATION | Prefix |
| 605 | 669 | MURDO | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 670 | VERMILLION | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 671 | COLTON | AERIAL COMMUNICATIONS | Prefix |
| 605 | 672 | VERMILLION | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 673 | CUSTER | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 675 | VERMILLION | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 676 | STOCKHOLM | STOCKHOLM - STRANDBURG TELEPHONE CO. | Prefix |
| 605 | 677 | VERMILLION | QWEST CORPORATION | Prefix |
| 605 | 678 | W MARIETTA | FARMERS MUTUAL TELEPHONE CO. | Prefix |
| 605 | 679 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 680 | KIMBALL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 681 | SIOUX FLS | BRIGHTLINK COMMUNICATIONS, LLC | Prefix |
| 605 | 682 | KIMBALL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 683 | VIVIAN | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 684 | FLANDREAU | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 685 | MARTIN | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 686 | ESTELLINE | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 687 | SOVENTURIA | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 688 | BROOKINGS | CITY OF BROOKINGS MUNICIPAL TELEPHONE DEPT. | Prefix |
| 605 | 689 | YANKTON | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 690 | BROOKINGS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 691 | BROOKINGS | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 692 | BROOKINGS | CITY OF BROOKINGS MUNICIPAL TELEPHONE DEPT. | Prefix |
| 605 | 693 | BROOKINGSR | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 694 | WBROWNSVLY | VALLEY TELEPHONE CO. | Prefix |
| 605 | 695 | BROOKINGS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 696 | BROOKINGS | CITY OF BROOKINGS MUNICIPAL TELEPHONE DEPT. | Prefix |
| 605 | 697 | BROOKINGS | CITY OF BROOKINGS MUNICIPAL TELEPHONE DEPT. | Prefix |
| 605 | 698 | SISSETON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 699 | BELLEFORCH | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 702 | STURGIS | AT&T LOCAL | Prefix |
| 605 | 710 | LAKENORDEN | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 715 | ABERDEEN | NORTHERN VALLEY COMMUNICATIONS, LLC | Prefix |
| 605 | 716 | RAPID CITY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 717 | SPEARFISH | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 718 | RAPID CITY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 719 | RAPID CITY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 720 | STURGIS | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 721 | RAPID CITY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 722 | SPEARFISH | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 723 | BELLEFORCH | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 724 | ARMOUR | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | Prefix |
| 605 | 725 | ABERDEEN | NORTHERN VALLEY COMMUNICATIONS, LLC | Prefix |
| 605 | 726 | ACADEMY | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 727 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 728 | SIOUX FLS | AERIAL COMMUNICATIONS | Prefix |
| 605 | 729 | BRIDGEWTR | ARMOUR INDEPENDENT TEL CO DBA GOLDEN WEST TELCOMM | Prefix |
| 605 | 730 | CHAMBERLAN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 731 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 732 | STICKNEY | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 733 | LAPLANT | CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | Prefix |
| 605 | 734 | CHAMBERLAN | QWEST CORPORATION | Prefix |
| 605 | 735 | SO FORMAN | DICKEY RURAL TELEPHONE COOPERATIVE | Prefix |
| 605 | 737 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 738 | VEBLEN | RC TECHNOLOGIES | Prefix |
| 605 | 739 | FAITH | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 740 | SIOUX FLS | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 605 | 741 | VERMILLION | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- SD | Prefix |
| 605 | 742 | SISSETON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 743 | HARISBGTEA | QWEST CORPORATION | Prefix |
| 605 | 744 | LENNOX | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 745 | HOTSPRINGS | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 747 | ROSEBUD | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 748 | MAURINE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 749 | ENEWCASTLE | RT COMMUNICATIONS | Prefix |
| 605 | 750 | LENNOX | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 751 | BERESFORD | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 753 | WATERTOWN | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 754 | NEWUNDERWD | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 755 | RAPID CITY | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 756 | SOUTHSHORE | STOCKHOLM - STRANDBURG TELEPHONE CO. | Prefix |
| 605 | 757 | VALLEY SPG | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. - SD | Prefix |
| 605 | 758 | FLORENCE | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 759 | SIOUX FLS | AT&T LOCAL | Prefix |
| 605 | 760 | YANKTON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 761 | ELK POINT | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 762 | GLENHAM | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 763 | BERESFORD | BERESFORD MUNICIPAL TELEPHONE CO. | Prefix |
| 605 | 764 | CANTON | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 765 | GETTYSBURG | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 766 | VIBORG | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 767 | HARISBGTEA | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 768 | LEBANON | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 769 | GETTYSBURG | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 770 | MITCHELL | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 771 | GETTYSBURG | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 772 | HOWARD | ALLIANCE COMM. COOPERATIVE, INC. (SPLIT ROCK) | Prefix |
| 605 | 773 | PIERRE | QWEST CORPORATION | Prefix |
| 605 | 775 | BURKE | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 776 | PIERRE | QWEST CORPORATION | Prefix |
| 605 | 777 | HARISBGTEA | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 778 | KIMBALL | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 779 | DELMONT | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 780 | NOSIOUX CY | LONG LINES METRO, LLC - SD | Prefix |
| 605 | 781 | KYLE | NATIVE AMERICAN TELECOM - PINE RIDGE LLC - SD | Prefix |
| 605 | 782 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 783 | HAYTI | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 784 | BRADLEY | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 785 | LAKENORDEN | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 786 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 787 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 788 | MEADOW | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 789 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 791 | RAPID CITY | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 792 | HAYTI | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 793 | CASTLEWOOD | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 794 | TORONTO | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 795 | GOODWIN | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 796 | WOONSOCKET | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 797 | CAMP CROOK | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 798 | WICKSVILLE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 799 | SIOUX FLS | AIRUS, INC. - SD | Prefix |
| 605 | 800 | SIOUX FLS | TERRA NOVA TELECOM INC. | Prefix |
| 605 | 804 | CASTLEWOOD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 809 | SIOUX FLS | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 605 | 818 | WATERTOWN | RC COMMUNICATIONS, INC. - SD | Prefix |
| 605 | 821 | DUPREE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 822 | NORTH CODY | GREAT PLAINS COMMUNICATIONS, INC. | Prefix |
| 605 | 823 | MCLAUGHLIN | WEST RIVER TELECOMMUNICATIONS COOPERATIVE - SD | Prefix |
| 605 | 824 | ABERDEEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 825 | CLAYTON | TRI-COUNTY TELCOM, INC. | Prefix |
| 605 | 826 | SINAI | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 827 | VOLGA | VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM | Prefix |
| 605 | 828 | MISSION | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 830 | GREGORY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 831 | GREGORY | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 832 | ASTORIA | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 833 | BUFFALOGAP | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 834 | NORTHNAPER | THREE RIVER TELEPHONE COMPANY | Prefix |
| 605 | 835 | GREGORY | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 836 | CANTON | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Prefix |
| 605 | 837 | KADOKA | KADOKA TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 838 | SIOUX FLS | YMAX COMMUNICATIONS CORP. - SD | Prefix |
| 605 | 839 | BRANDON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 840 | WINNER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 841 | WINNER | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 842 | WINNER | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 843 | MIDLAND | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 844 | CLARK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 845 | MOBRIDGE | WEST RIVER TELECOMMUNICATIONS COOP (MOBRIDGE) - SD | Prefix |
| 605 | 846 | ABERDEEN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 847 | LK PRESTON | QWEST CORPORATION | Prefix |
| 605 | 848 | GLENHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 849 | ALPENA | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 850 | GLENHAM | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 851 | HOWARD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 852 | HIGHMORE | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 853 | MILLER | QWEST CORPORATION | Prefix |
| 605 | 854 | DE SMET | QWEST CORPORATION | Prefix |
| 605 | 855 | SO REEDER | CONSOLIDATED TELCOM | Prefix |
| 605 | 856 | MISSION | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 857 | YANKTON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 858 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 859 | PHILIP | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 860 | DE SMET | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 861 | DE SMET | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 862 | BIGSTONECY | QWEST CORPORATION | Prefix |
| 605 | 863 | RAPID CITY | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 864 | FLANDREAU | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 865 | TIMBERLAKE | QWEST CORPORATION | Prefix |
| 605 | 866 | SORUM | WEST RIVER COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 867 | PINE RIDGE | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 868 | WATERTOWN | BROOKINGS MUNICIPAL UTILITIES | Prefix |
| 605 | 869 | KENNEBEC | KENNEBEC TELEPHONE CO. | Prefix |
| 605 | 870 | HIGHMORE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 871 | HIGHMORE | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 872 | RAPID CITY | AERIAL COMMUNICATIONS | Prefix |
| 605 | 873 | ESTELLINE | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 874 | CLEAR LAKE | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 875 | HARROLD | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 876 | BRANDT | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 877 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 878 | WATERTOWN | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 879 | WITTEN | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 880 | WATERTOWN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 881 | WATERTOWN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 882 | WATERTOWN | QWEST CORPORATION | Prefix |
| 605 | 883 | WOLSEY | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 884 | WATERTOWN | QWEST CORPORATION | Prefix |
| 605 | 885 | HOUGHTON | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 886 | WATERTOWN | QWEST CORPORATION | Prefix |
| 605 | 887 | MELLETTE | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 888 | CHAMBERLAN | ONVOY, LLC - SD | Prefix |
| 605 | 889 | POLLOCK | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 890 | HOTSPRINGS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 891 | HOTSPRINGS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 892 | BELLEFORCH | QWEST CORPORATION | Prefix |
| 605 | 893 | MILLER | MIDCONTINENT COMMUNICATIONS - SD | Prefix |
| 605 | 894 | PUKWANA | MIDSTATE COMMUNICATIONS, INC. | Prefix |
| 605 | 895 | PRESHO | KENNEBEC TELEPHONE CO. | Prefix |
| 605 | 897 | TURTON | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 899 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 906 | SIOUX FLS | TELEPORT COMMUNICATIONS AMERICA - SD - LLC | Prefix |
| 605 | 920 | SPEARFISH | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 922 | ELKTON | MCC TELEPHONY OF THE MID-WEST, LLC - SD | Prefix |
| 605 | 923 | RAPID CITY | QWEST CORPORATION | Prefix |
| 605 | 924 | MILBANK | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 925 | FREEMAN | VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS | Prefix |
| 605 | 926 | MOBRIDGE | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 927 | SISSETON | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 928 | PARKSTON | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 929 | SIOUX FLS | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 930 | VOLGA | CENTURYLINK COMMUNICATIONS LLC | Prefix |
| 605 | 931 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 932 | PEEVER | RC TECHNOLOGIES | Prefix |
| 605 | 933 | MITCHELL | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 934 | ALCESTER | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | Prefix |
| 605 | 935 | TRIPP | SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD | Prefix |
| 605 | 936 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 937 | SIOUX FLS | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 938 | WILMOT | RC TECHNOLOGIES | Prefix |
| 605 | 939 | RAPID CITY | AT&T LOCAL | Prefix |
| 605 | 940 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 941 | SIOUX FLS | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 942 | PLANKINTON | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | Prefix |
| 605 | 943 | REEHEIGHTS | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 944 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 945 | PIERRE | QWEST CORPORATION | Prefix |
| 605 | 946 | CORSICA | SIOUX VALLEY TEL DBA GOLDEN WEST TELECOMMUNICATION | Prefix |
| 605 | 947 | WAUBAY | INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA | Prefix |
| 605 | 948 | HOVEN | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 949 | MILBANK | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 951 | SIOUX FLS | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 952 | ELK POINT | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 953 | HARTFORD | AERIAL COMMUNICATIONS | Prefix |
| 605 | 954 | WATERTOWN | BANDWIDTH.COM CLEC, LLC - SD | Prefix |
| 605 | 955 | MOUND CITY | VALLEY TELECOM COOPERATIVE ASSOCIATION, INC. | Prefix |
| 605 | 956 | WATERTOWN | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 957 | BERESFORD | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 960 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 961 | SIOUX FLS | VONAGE NETWORK INC. | Prefix |
| 605 | 962 | BLUNT | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 963 | DELLRAPIDS | AERIAL COMMUNICATIONS | Prefix |
| 605 | 964 | EAGLEBUTTE | CHEYENNE RIVER SIOUX TRIBAL TELEPHONE AUTH. | Prefix |
| 605 | 965 | SIOUX FLS | CLARITY TELECOM, LLC DBA VAST BROADBAND | Prefix |
| 605 | 966 | JEFFERSON | JEFFERSON TELEPHONE CO. | Prefix |
| 605 | 967 | FAITH | CITY OF FAITH MUNICIPAL TELEPHONE CO. | Prefix |
| 605 | 968 | HURON | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
| 605 | 969 | NO KILGORE | GREAT PLAINS COMMUNICATIONS, INC. | Prefix |
| 605 | 970 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 973 | ONIDA | VENTURE COMMUNICATIONS COOPERATIVE | Prefix |
| 605 | 977 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 978 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 980 | MARTIN | NEW CINGULAR WIRELESS PCS, LLC - IL | Prefix |
| 605 | 983 | ARLINGTON | QWEST CORPORATION | Prefix |
| 605 | 984 | HUDSON | ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) | Prefix |
| 605 | 985 | ENNING | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 987 | CANTON | QWEST CORPORATION | Prefix |
| 605 | 988 | SIOUX FLS | QWEST CORPORATION | Prefix |
| 605 | 990 | MITCHELL | ATV HOLDINGS, LLC DBA MITCHELL TELECOM - SD | Prefix |
| 605 | 993 | WASTA | GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM | Prefix |
| 605 | 994 | HECLA | JAMES VALLEY COOPERATIVE TELEPHONE COMPANY | Prefix |
| 605 | 995 | MITCHELL | QWEST CORPORATION | Prefix |
| 605 | 996 | MITCHELL | QWEST CORPORATION | Prefix |
| 605 | 997 | FLANDREAU | QWEST CORPORATION | Prefix |
| 605 | 999 | MITCHELL | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD | Prefix |
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