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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 200 | Washington | Bandwidth.com Clec Llc - Md | Landline | View |
| 202 | Washington | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 203 | Fort Washington | Verizon Maryland Inc. | Landline | View |
| 204 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 205 | Mayo | Verizon Maryland Inc. | Landline | View |
| 206 | Laurel | Verizon Maryland Inc. | Landline | View |
| 207 | Silver Spring | Usa Mobility Wireless Inc. | Wireless | View |
| 208 | Gaithersburg | Verizon Maryland Inc. | Landline | View |
| 209 | Hyattsville | Verizon Maryland Inc. | Landline | View |
| 210 | Beltsville | Verizon Maryland Inc. | Landline | View |
| 212 | Gaithersburg | Verizon Maryland Inc. | Landline | View |
| 213 | Beltsville | Sprint Spectrum L.p. | Wireless | View |
| 214 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 215 | Chevy Chase | Verizon Maryland Inc. | Landline | View |
| 216 | Gaithersburg | Verizon Maryland Inc. | Landline | View |
| 217 | Rockville | Verizon Maryland Inc. | Landline | View |
| 218 | Upper Marlboro | Verizon Maryland Inc. | Landline | View |
| 219 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 220 | College Park | Verizon Maryland Inc. | Landline | View |
| 221 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 222 | Herndon | Cavalier Telephone Mid-atlantic Llc - Md | Landline | View |
| 223 | Williamsport | Verizon Maryland Inc. | Landline | View |
| 224 | Silver Spring | Usa Mobility Wireless Inc. | Wireless | View |
| 225 | Washington | Teleport Communications America Llc - Dc | Landline | View |
| 226 | Hyattsville | Verizon Maryland Inc. | Landline | View |
| 227 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 228 | Frederick | Verizon Maryland Inc. | Landline | View |
| 229 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 230 | Rockville | Verizon Maryland Inc. | Landline | View |
| 231 | Rockville | Verizon Maryland Inc. | Landline | View |
| 232 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 233 | Annapolis Junction | Cellco Partnership Dba Verizon Wireless - Md | Wireless | View |
| 234 | Unknown | Verizon Maryland Inc. | Landline | View |
| 235 | Washington | Mcimetro Access Transmission Services Llc | Landline | View |
| 236 | Silver Spring | Verizon Maryland Inc. | Landline | View |
| 237 | Beltsville | Sprint Spectrum L.p. | Wireless | View |
| 238 | Temple Hills | Verizon Maryland Inc. | Landline | View |
| 239 | Hyattsville | Verizon Maryland Inc. | Landline | View |
| 240 | Gaithersburg | Verizon Maryland Inc. | Landline | View |
| 241 | Cascade | Verizon Maryland Inc. | Landline | View |
| 242 | Washington | Mcimetro Access Transmission Services Llc | Landline | View |
| 243 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 244 | Chevy Chase | Telcove Operations Inc. - Md | Landline | View |
| 245 | Bittinger | Verizon Maryland Inc. | Landline | View |
| 246 | Nanjemoy | Verizon Maryland Inc. | Landline | View |
| 247 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 248 | Unknown | Verizon Maryland Inc. | Landline | View |
| 249 | Upper Marlboro | Verizon Maryland Inc. | Landline | View |
| 250 | Beltsville | Mcimetro Access Transmission Services Llc | Landline | View |
| 251 | Rockville | Verizon Maryland Inc. | Landline | View |
| 252 | Silver Spring | Sprint Spectrum L.p. - Md | Wireless | View |
| 253 | Damascus | Verizon Maryland Inc. | Landline | View |
| 254 | Beltsville | Sprint Spectrum L.p. | Wireless | View |
| 255 | Rockville | Verizon Maryland Inc. | Landline | View |
| 256 | Beltsville | Mcimetro Access Transmission Services Llc | Landline | View |
| 257 | Beltsville | Sprint Spectrum L.p. | Wireless | View |
| 258 | Gaithersburg | Verizon Maryland Inc. | Landline | View |
| 259 | Newburg | Verizon Maryland Inc. | Landline | View |
| 260 | Olney | Verizon Maryland Inc. | Landline | View |
| 261 | Crofton | Verizon Maryland Inc. | Landline | View |
| 262 | Bowie | Verizon Maryland Inc. | Landline | View |
| 263 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 264 | Mount Savage | Verizon Maryland Inc. | Landline | View |
| 265 | Unknown | Verizon Maryland Inc. | Landline | View |
| 266 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 267 | Beltsville | Sprint Spectrum L.p. | Wireless | View |
| 268 | Cumberland | Uscoc Of Cumberland Inc. Dba United States Cel Md | Landline | View |
| 269 | Damascus | Usa Mobility Wireless Inc. | Wireless | View |
| 270 | Hyattsville | Verizon Maryland Inc. | Landline | View |
| 271 | Thurmont | Verizon Maryland Inc. | Landline | View |
| 272 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 273 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 274 | Hughesville | Verizon Maryland Inc. | Landline | View |
| 275 | Beltsville | New Cingular Wireless Pcs Llc - Dc | Wireless | View |
| 276 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 277 | Hyattsville | Verizon Maryland Inc. | Landline | View |
| 278 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 279 | Rockville | Verizon Maryland Inc. | Landline | View |
| 280 | Chevy Chase | Verizon Maryland Inc. | Landline | View |
| 281 | Beltsville | Mcimetro Access Transmission Services Llc | Landline | View |
| 282 | Silver Spring | Verizon Maryland Inc. | Landline | View |
| 283 | Bryans Road | Verizon Maryland Inc. | Landline | View |
| 284 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 285 | Silver Spring | Verizon Maryland Inc. | Landline | View |
| 286 | College Park | Verizon Maryland Inc. | Landline | View |
| 287 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 288 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 289 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 290 | Mechanicsville | Verizon Maryland Inc. | Landline | View |
| 291 | Potomac | Mcimetro Access Transmission Services Llc | Landline | View |
| 292 | Fort Washington | Verizon Maryland Inc. | Landline | View |
| 293 | Myersville | Verizon Maryland Inc. | Landline | View |
| 294 | Rockville | Verizon Maryland Inc. | Landline | View |
| 295 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 296 | Reston | Mci Worldcom Communications Inc. - Md | Landline | View |
| 297 | Unknown | Verizon Maryland Inc. | Landline | View |
| 298 | Washington | Mcimetro Access Transmission Services Llc | Landline | View |
| 299 | Bethesda | Verizon Maryland Inc. | Landline | View |
| 300 | Beltsville | Cellco Partnership Dba Verizon Wireless - Md | Wireless | View |
| 302 | Hagerstown | Sprint Spectrum L.p. - Md | Wireless | View |
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This page provides detailed information and helpful insights related to your search. All data is based on telecom assignment records and community user reports. Use the navigation above to explore related area codes, prefixes, and reported numbers.
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