| Exchange |
County |
City |
Carrier |
Line Type |
| 240-201 |
SAINT MARY'S |
Ridge |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-205 |
MONTGOMERY |
Rockville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-206 |
PRINCE GEORGE'S |
Glenn Dale |
XO MARYLAND, LLC |
Landline |
| 240-207 |
MONTGOMERY |
Damascus |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-208 |
CHARLES |
La Plata |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-209 |
CHARLES |
Indian Head |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-210 |
CHARLES |
Waldorf |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-212 |
GARRETT |
Oakland |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-213 |
CHARLES |
Waldorf |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-214 |
SAINT MARY'S |
Mechanicsville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-215 |
FREDERICK |
Frederick |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-216 |
CHARLES |
Waldorf |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-217 |
WASHINGTON |
Hagerstown |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-218 |
CHARLES |
Nanjemoy |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-219 |
CHARLES |
Newburg |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-220 |
MONTGOMERY |
Poolesville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-221 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-222 |
CHARLES |
Waldorf |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-223 |
PRINCE GEORGE'S |
Mount Rainier |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-224 |
PRINCE GEORGE'S |
Oxon Hill |
METROCALL |
Cell Phone |
| 240-225 |
FREDERICK |
Frederick |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-228 |
PRINCE GEORGE'S |
Laurel |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-229 |
CHARLES |
Waldorf |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-230 |
CHARLES |
Hughesville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-231 |
WASHINGTON |
Hagerstown |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-232 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-233 |
CHARLES |
Newburg |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-234 |
MONTGOMERY |
Damascus |
ARCH WIRELESS HOLDINGS, INC. |
Cell Phone |
| 240-235 |
MONTGOMERY |
Bethesda |
PAETEC COMMUNICATIONS, INC. - MD |
Landline |
| 240-236 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-237 |
SAINT MARY'S |
Tall Timbers |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-238 |
MONTGOMERY |
Rockville |
PAETEC COMMUNICATIONS, INC. - MD |
Landline |
| 240-239 |
SAINT MARY'S |
Leonardtown |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-241 |
PRINCE GEORGE'S |
College Park |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-242 |
MONTGOMERY |
Kensington |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-243 |
MONTGOMERY |
Gaithersburg |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-244 |
PRINCE GEORGE'S |
Clinton |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-245 |
PRINCE GEORGE'S |
Glenn Dale |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-246 |
MONTGOMERY |
Gaithersburg |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-247 |
PRINCE GEORGE'S |
Mount Rainier |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-248 |
SAINT MARY'S |
Ridge |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-249 |
SAINT MARY'S |
Mechanicsville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-250 |
PRINCE GEORGE'S |
Brandywine |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-251 |
WASHINGTON |
Highfield |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-252 |
MONTGOMERY |
Gaithersburg |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-253 |
PRINCE GEORGE'S |
Oxon Hill |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-254 |
CHARLES |
Hughesville |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-255 |
MONTGOMERY |
Poolesville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-256 |
SAINT MARY'S |
Leonardtown |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-257 |
CHARLES |
Nanjemoy |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-258 |
SAINT MARY'S |
Ridge |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-260 |
PRINCE GEORGE'S |
Hyattsville |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-261 |
MONTGOMERY |
Rockville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-262 |
MONTGOMERY |
Damascus |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-263 |
MONTGOMERY |
Damascus |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-264 |
PRINCE GEORGE'S |
Beltsville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-265 |
PRINCE GEORGE'S |
Upper Marlboro |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-266 |
PRINCE GEORGE'S |
Glenn Dale |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-267 |
PRINCE GEORGE'S |
Upper Marlboro |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-268 |
PRINCE GEORGE'S |
Mount Rainier |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-269 |
PRINCE GEORGE'S |
Clinton |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-270 |
PRINCE GEORGE'S |
Glenn Dale |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-271 |
MONTGOMERY |
Bethesda |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-272 |
PRINCE GEORGE'S |
Glenn Dale |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-273 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-274 |
MONTGOMERY |
Bethesda |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-275 |
GARRETT |
Grantsville |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-276 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-277 |
MONTGOMERY |
Bethesda |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-279 |
CHARLES |
Waldorf |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-280 |
ANNE ARUNDEL |
Baltimore |
COMCAST BUSINESS COMMUNICATIONS, IN |
Landline |
| 240-281 |
MONTGOMERY |
Bethesda |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-282 |
SAINT MARY'S |
Mechanicsville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-283 |
MONTGOMERY |
Kensington |
PAETEC COMMUNICATIONS, INC. - MD |
Landline |
| 240-284 |
ALLEGANY |
Frostburg |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-285 |
FREDERICK |
Frederick |
CAVALIER EAST LLC - MD |
Landline |
| 240-286 |
MONTGOMERY |
Bethesda |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-287 |
WASHINGTON |
Hancock |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-288 |
FREDERICK |
Thurmont |
AT&T - LOCAL - MD |
Landline |
| 240-289 |
PRINCE GEORGE'S |
Oxon Hill |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-290 |
PRINCE GEORGE'S |
Mount Rainier |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-291 |
WASHINGTON |
Hagerstown |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-292 |
MONTGOMERY |
Kensington |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-293 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-294 |
PRINCE GEORGE'S |
Laurel |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-295 |
PRINCE GEORGE'S |
Laurel |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-296 |
PRINCE GEORGE'S |
Hyattsville |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-297 |
PRINCE GEORGE'S |
College Park |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-298 |
SAINT MARY'S |
Leonardtown |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-299 |
CHARLES |
Waldorf |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-303 |
PRINCE GEORGE'S |
Clinton |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-304 |
PRINCE GEORGE'S |
Capitol Heights |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-305 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-306 |
MONTGOMERY |
Gaithersburg |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-307 |
FREDERICK |
Emmitsburg |
AT&T - LOCAL - MD |
Landline |
| 240-308 |
MONTGOMERY |
Damascus |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-309 |
PRINCE GEORGES |
Laurel |
XSPEDIUS MANAGEMENT CO. SWITCHED SE |
Landline |
| 240-310 |
WASHINGTON |
Hagerstown |
USCOC OF CUMBERLAND, INC. DBA UNITE |
Cell Phone |
| 240-312 |
PRINCE GEORGE'S |
Capitol Heights |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-313 |
WASHINGTON |
Hagerstown |
AT&T - LOCAL - MD |
Landline |
| 240-314 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-315 |
FREDERICK |
Frederick |
KMC TELECOM III, INC. - MD |
Landline |
| 240-317 |
SAINT MARY'S |
Tall Timbers |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-318 |
PRINCE GEORGE'S |
Clinton |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-320 |
CHARLES |
Waldorf |
CAVALIER EAST LLC - MD |
Landline |
| 240-321 |
GARRETT |
Oakland |
USCOC OF CUMBERLAND, INC. DBA UNITE |
Cell Phone |
| 240-322 |
ALLEGANY |
Mccoole |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-323 |
FREDERICK |
Emmitsburg |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-325 |
MONTGOMERY |
Damascus |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-326 |
PRINCE GEORGE'S |
Upper Marlboro |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-327 |
MONTGOMERY |
Gaithersburg |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-328 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-329 |
WASHINGTON |
Hagerstown |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-331 |
MONTGOMERY |
Silver Spring |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-332 |
CHARLES |
Newburg |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-333 |
MONTGOMERY |
Bethesda |
CAVALIER EAST LLC - MD |
Landline |
| 240-334 |
PRINCE GEORGE'S |
Glenn Dale |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-335 |
PRINCE GEORGE'S |
Glenn Dale |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-336 |
MONTGOMERY |
Bethesda |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-337 |
PRINCE GEORGE'S |
Capitol Heights |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-338 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-339 |
PRINCE GEORGE'S |
Upper Marlboro |
CAVALIER EAST LLC - MD |
Landline |
| 240-342 |
MONTGOMERY |
Ashton |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-344 |
FREDERICK |
Frederick |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-345 |
BALTIMORE |
Pikesville |
KMC TELECOM III, INC. - MD |
Landline |
| 240-346 |
CHARLES |
Waldorf |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-348 |
PRINCE GEORGE'S |
Clinton |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-349 |
CHARLES |
La Plata |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-350 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-351 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-352 |
CHARLES |
La Plata |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-353 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-354 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-355 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-356 |
FREDERICK |
Frederick |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-357 |
FREDERICK |
Frederick |
TELEPORT COMMUNICATIONS GROUP AMERI |
Landline |
| 240-358 |
MONTGOMERY |
Damascus |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-359 |
CHARLES |
Indian Head |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-361 |
MONTGOMERY |
Gaithersburg |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-362 |
ALLEGANY |
Cumberland |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-363 |
MONTGOMERY |
Kensington |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-364 |
MONTGOMERY |
Gaithersburg |
CAVALIER EAST LLC - MD |
Landline |
| 240-365 |
MONTGOMERY |
Damascus |
BALTIMORE-WASHINGTON TELEPHONE BWT |
Landline |
| 240-366 |
WASHINGTON |
Williamsport |
AT&T - LOCAL - MD |
Landline |
| 240-367 |
FREDERICK |
Frederick |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-368 |
CHARLES |
Waldorf |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-369 |
FREDERICK |
Mount Airy |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-371 |
MONTGOMERY |
Silver Spring |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-372 |
MONTGOMERY |
Gaithersburg |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-373 |
ANNE ARUNDEL |
Odenton |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-374 |
PRINCE GEORGE'S |
Laurel |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-375 |
PRINCE GEORGE'S |
Capitol Heights |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-376 |
CHARLES |
Hughesville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-377 |
CHARLES |
Indian Head |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-378 |
ALLEGANY |
Cumberland |
CORE COMMUNICATIONS, INC. - MD |
Landline |
| 240-379 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-381 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-382 |
|
Ijamsville |
KMC TELECOM III, INC. - MD |
Landline |
| 240-383 |
MONTGOMERY |
Bethesda |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-384 |
SAINT MARY'S |
Tall Timbers |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-385 |
FREDERICK |
Myersville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-386 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-387 |
PRINCE GEORGE'S |
College Park |
CAVALIER EAST LLC - MD |
Landline |
| 240-388 |
MONTGOMERY |
Gaithersburg |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-389 |
MONTGOMERY |
Ashton |
ATX TELECOMMUNICATIONS SERVICES, LT |
Landline |
| 240-390 |
MONTGOMERY |
Ashton |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-391 |
PRINCE GEORGE'S |
College Park |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-392 |
PRINCE GEORGE'S |
Capitol Heights |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-393 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-394 |
FREDERICK |
Mount Airy |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-395 |
MONTGOMERY |
Bethesda |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-396 |
MONTGOMERY |
Bethesda |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-398 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-399 |
MONTGOMERY |
Rockville |
XO MARYLAND, LLC |
Landline |
| 240-401 |
MONTGOMERY |
Rockville |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-403 |
MONTGOMERY |
Rockville |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-404 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-405 |
FREDERICK |
Frederick |
US LEC OF MARYLAND, INC. |
Landline |
| 240-407 |
PRINCE GEORGE'S |
Clinton |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-409 |
FREDERICK |
Frederick |
DOBSON CELLULAR SYSTEMS, INC. |
Cell Phone |
| 240-412 |
CHARLES |
Waldorf |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-413 |
PRINCE GEORGE'S |
Hyattsville |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-414 |
PRINCE GEORGE'S |
Oxon Hill |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-416 |
CHARLES |
Waldorf |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-417 |
PRINCE GEORGE'S |
Capitol Heights |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-418 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-420 |
WASHINGTON |
Hagerstown |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-421 |
MONTGOMERY |
Rockville |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-422 |
FREDERICK |
Frederick |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-423 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-425 |
MONTGOMERY |
Bethesda |
DSLNET COMMUNICATIONS VA, INC. - MD |
Landline |
| 240-426 |
MONTGOMERY |
Bethesda |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-427 |
CHARLES |
Waldorf |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-429 |
|
Wshngtnzn3 |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Landline |
| 240-430 |
MONTGOMERY |
Kensington |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-431 |
SAINT MARY'S |
Tall Timbers |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-432 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-433 |
MONTGOMERY |
Silver Spring |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-434 |
SAINT MARY'S |
Leonardtown |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-436 |
FREDERICK |
Ijamsville |
KMC TELECOM III, INC. - MD |
Landline |
| 240-437 |
MONTGOMERY |
Ashton |
XO MARYLAND, LLC |
Landline |
| 240-439 |
DISTRICT OF COLUMBIA |
Washington |
AT&T - LOCAL - MD |
Landline |
| 240-441 |
PRINCE GEORGE'S |
Oxon Hill |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-442 |
GARRETT |
Oakland |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-446 |
FREDERICK |
Frederick |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-447 |
MONTGOMERY |
Rockville |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-449 |
MONTGOMERY |
Gaithersburg |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-450 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-453 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-454 |
MONTGOMERY |
Gaithersburg |
PAETEC COMMUNICATIONS, INC. - MD |
Cell Phone |
| 240-455 |
PRINCE GEORGE'S |
Capitol Heights |
PAETEC COMMUNICATIONS, INC. - VA |
Landline |
| 240-456 |
PRINCE GEORGE'S |
Laurel |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-460 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-461 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-462 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-463 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-464 |
MONTGOMERY |
Chevy Chase |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-465 |
MONTGOMERY |
Bethesda |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-466 |
SAINT MARY'S |
Mechanicsville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-469 |
BALTIMORE CITY |
Baltimore |
TELEPORT COMMUNICATIONS GROUP AMERI |
Landline |
| 240-471 |
MONTGOMERY |
Silver Spring |
PAETEC COMMUNICATIONS, INC. - MD |
Landline |
| 240-472 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-473 |
PRINCE GEORGE'S |
College Park |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-475 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-476 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-477 |
MONTGOMERY |
Gaithersburg |
LIGHTWAVE COMMUNICATIONS, LLC - MD |
Landline |
| 240-478 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-481 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-482 |
MONTGOMERY |
Bethesda |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-483 |
MONTGOMERY |
Bethesda |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-485 |
MONTGOMERY |
Silver Spring |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-486 |
PRINCE GEORGE'S |
Glenn Dale |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-487 |
PRINCE GEORGE'S |
Hyattsville |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-489 |
MONTGOMERY |
Poolesville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-490 |
FREDERICK |
Middletown |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-491 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-492 |
PRINCE GEORGE'S |
Capitol Heights |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-493 |
PRINCE GEORGE'S |
Oxon Hill |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-494 |
MONTGOMERY |
Silver Spring |
CAVALIER EAST LLC - MD |
Landline |
| 240-497 |
MONTGOMERY |
Chevy Chase |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-498 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-499 |
MONTGOMERY |
Rockville |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-501 |
MONTGOMERY |
Silver Spring |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-505 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-506 |
MONTGOMERY |
Rockville |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-508 |
PRINCE GEORGE'S |
Capitol Heights |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-510 |
PRINCE GEORGE'S |
Upper Marlboro |
XO MARYLAND, LLC |
Landline |
| 240-512 |
BALTIMORE |
Pikesville |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-514 |
MONTGOMERY |
Kensington |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-515 |
MONTGOMERY |
Bethesda |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-516 |
MONTGOMERY |
Silver Spring |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-520 |
WASHINGTON |
Hagerstown |
SPRINT SPECTRUM L.P. - MD |
Landline |
| 240-522 |
ALLEGANY |
Cumberland |
SPRINT SPECTRUM L.P. - MD |
Cell Phone |
| 240-523 |
CHARLES |
La Plata |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-524 |
PRINCE GEORGE'S |
Laurel |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-525 |
PRINCE GEORGE'S |
Upper Marlboro |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-526 |
SAINT MARY'S |
Leonardtown |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-527 |
WASHINGTON |
Hagerstown |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-528 |
CHARLES |
Hughesville |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-529 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-533 |
PRINCE GEORGE'S |
Mount Rainier |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-535 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-536 |
MONTGOMERY |
Ashton |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-538 |
SAINT MARY'S |
Leonardtown |
XO MARYLAND, LLC |
Landline |
| 240-539 |
PRINCE GEORGE'S |
Hyattsville |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-542 |
PRINCE GEORGE'S |
College Park |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-543 |
PRINCE GEORGES |
Beltsville |
SPRINT SPECTRUM L.P. |
Landline |
| 240-544 |
PRINCE GEORGE'S |
Glenn Dale |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-545 |
PRINCE GEORGE'S |
Upper Marlboro |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-546 |
PRINCE GEORGE'S |
Clinton |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-547 |
PRINCE GEORGE'S |
Laurel |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-548 |
PRINCE GEORGE'S |
Glenn Dale |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-553 |
PRINCE GEORGE'S |
College Park |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-554 |
PRINCE GEORGE'S |
Laurel |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-555 |
BALTIMORE CITY |
Baltimore |
VERIZON MARYLAND, INC. |
Landline |
| 240-556 |
PRINCE GEORGE'S |
Glenn Dale |
PAETEC COMMUNICATIONS, INC. - MD |
Landline |
| 240-558 |
MONTGOMERY |
Rockville |
CAVALIER TELEPHONE MID-ATLANTIC. LL |
Landline |
| 240-559 |
MONTGOMERY |
Ashton |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-560 |
MONTGOMERY |
Silver Spring |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-565 |
PRINCE GEORGE'S |
Laurel |
PAC-WEST TELECOMM, INC. - MD |
Cell Phone |
| 240-566 |
FREDERICK |
Frederick |
US LEC OF MARYLAND, INC. |
Landline |
| 240-567 |
|
Wasz 10 - Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-568 |
PRINCE GEORGE'S |
Laurel |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-573 |
PRINCE GEORGE'S |
Upper Marlboro |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-575 |
FREDERICK |
Frederick |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-577 |
DISTRICT OF COLUMBIA |
Washington |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Landline |
| 240-580 |
ALLEGANY |
Cumberland |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Cell Phone |
| 240-581 |
PRINCE GEORGE'S |
Laurel |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-582 |
PRINCE GEORGE'S |
Hyattsville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-586 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. |
Landline |
| 240-593 |
PRINCE GEORGE'S |
Laurel |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-595 |
|
Wshngtnzn3 |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Landline |
| 240-597 |
MONTGOMERY |
Gaithersburg |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-599 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-600 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. |
Landline |
| 240-601 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-602 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-603 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-604 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-605 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-606 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-607 |
CHARLES |
Waldorf |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-616 |
PRINCE GEORGE'S |
Laurel |
MCI WORLDCOM COMMUNICATIONS, INC. - |
Landline |
| 240-619 |
PRINCE GEORGE'S |
Temple Hills |
MCI WORLDCOM COMMUNICATIONS, INC. - |
Landline |
| 240-620 |
MONTGOMERY |
Rockville |
MCI WORLDCOM COMMUNICATIONS, INC. - |
Landline |
| 240-621 |
MONTGOMERY |
Rockville |
MCI WORLDCOM COMMUNICATIONS, INC. - |
Landline |
| 240-624 |
PRINCE GEORGE'S |
Greenbelt |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-625 |
WASHINGTON |
Hagerstown |
NEXTEL COMMUNICATIONS, INC. |
Landline |
| 240-626 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. - MD |
Cell Phone |
| 240-627 |
MONTGOMERY |
Kensington |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-629 |
FREDERICK |
Frederick |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-631 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-632 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-638 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-641 |
MONTGOMERY |
Rockville |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-642 |
MONTGOMERY |
Rockville |
TIDALWAVE TELEPHONE INC. |
Landline |
| 240-643 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-644 |
MONTGOMERY |
Bethesda |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-645 |
MONTGOMERY |
Silver Spring |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-646 |
PRINCE GEORGE'S |
Laurel |
CAVALIER EAST LLC - MD |
Landline |
| 240-652 |
SAINT MARY'S |
Mechanicsville |
XO MARYLAND, LLC |
Landline |
| 240-654 |
PRINCE GEORGES |
Beltsville |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Landline |
| 240-662 |
MONTGOMERY |
Silver Spring |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-667 |
PRINCE GEORGE'S |
Hyattsville |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-668 |
MONTGOMERY |
Damascus |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-669 |
MONTGOMERY |
Kensington |
SBC TELECOM, INC. - MD |
Landline |
| 240-671 |
MONTGOMERY |
Bethesda |
SBC TELECOM, INC. - MD |
Landline |
| 240-672 |
MONTGOMERY |
Rockville |
SBC TELECOM, INC. - MD |
Landline |
| 240-674 |
FREDERICK |
Frederick |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-675 |
FREDERICK |
Myersville |
DOBSON CELLULAR SYSTEMS, INC. |
Cell Phone |
| 240-676 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-678 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-681 |
PRINCE GEORGE'S |
Brandywine |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-682 |
CHARLES |
Waldorf |
STARPOWER COMMUNICATIONS, LLC - MD |
Landline |
| 240-683 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-684 |
PRINCE GEORGE'S |
Greenbelt |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-685 |
PRINCE GEORGE'S |
Brandywine |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-686 |
MONTGOMERY |
Gaithersburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-687 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-688 |
PRINCE GEORGES |
Beltsville |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-691 |
PRINCE GEORGE'S |
Capitol Heights |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-694 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-695 |
PRINCE GEORGE'S |
Temple Hills |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-696 |
PRINCE GEORGE'S |
Hyattsville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-699 |
FREDERICK |
Adamstown |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-715 |
MONTGOMERY |
Rockville |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Landline |
| 240-718 |
SAINT MARY'S |
Tall Timbers |
XO MARYLAND, LLC |
Landline |
| 240-720 |
MONTGOMERY |
Gaithersburg |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-722 |
MONTGOMERY |
Ashton |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-723 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Landline |
| 240-724 |
PRINCE GEORGE'S |
Oxon Hill |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-725 |
SAINT MARY'S |
Lexington Park |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-727 |
ALLEGANY |
Cumberland |
DOBSON CELLULAR SYSTEMS, INC. |
Cell Phone |
| 240-731 |
MONTGOMERY |
Rockville |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-737 |
PRINCE GEORGE'S |
Hyattsville |
CAVALIER EAST LLC - MD |
Landline |
| 240-743 |
PRINCE GEORGES |
Beltsville |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Landline |
| 240-744 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-745 |
MONTGOMERY |
Damascus |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-747 |
MONTGOMERY |
Kensington |
CAVALIER EAST LLC - MD |
Landline |
| 240-750 |
MONTGOMERY |
Gaithersburg |
SOUTHWESTERN BELL MOBILE SYSTEMS, L |
Cell Phone |
| 240-751 |
MONTGOMERY |
Gaithersburg |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-752 |
MONTGOMERY |
Chevy Chase |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-753 |
MONTGOMERY |
Rockville |
KMC TELECOM III, INC. - MD |
Landline |
| 240-755 |
PRINCE GEORGE'S |
Laurel |
COMCAST PHONE OF NORTHERN MARYLAND, |
Landline |
| 240-757 |
PRINCE GEORGE'S |
College Park |
GLOBAL NAPS SOUTH, INC. - MD |
Landline |
| 240-764 |
PRINCE GEORGE'S |
Hyattsville |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-765 |
PRINCE GEORGE'S |
Capitol Heights |
XO MARYLAND, LLC |
Landline |
| 240-766 |
PRINCE GEORGE'S |
Oxon Hill |
XO MARYLAND, LLC |
Landline |
| 240-767 |
PRINCE GEORGE'S |
Capitol Heights |
CAVALIER EAST LLC - MD |
Landline |
| 240-770 |
PRINCE GEORGE'S |
Hyattsville |
SBC TELECOM, INC. - MD |
Landline |
| 240-773 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-776 |
CHARLES |
La Plata |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-777 |
MONTGOMERY |
Rockville |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-778 |
MONTGOMERY |
Rockville |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-779 |
MONTGOMERY |
Ashton |
CAVALIER EAST LLC - MD |
Landline |
| 240-780 |
MONTGOMERY |
Gaithersburg |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-782 |
MONTGOMERY |
Damascus |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-783 |
MONTGOMERY |
Bethesda |
MTE, INC. DBA MTE PAGING NETWORK |
Cell Phone |
| 240-784 |
FREDERICK |
Myersville |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-786 |
PRINCE GEORGE'S |
Laurel |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-787 |
PRINCE GEORGE'S |
Brandywine |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-788 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-790 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-793 |
MONTGOMERY |
Gaithersburg |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-794 |
SAINT MARY'S |
Tall Timbers |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-804 |
CHARLES |
Newburg |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-812 |
MONTGOMERY |
Poolesville |
GLOBAL CROSSING LOCAL SERVICES, INC |
Landline |
| 240-813 |
MONTGOMERY |
Gaithersburg |
ATX TELECOMMUNICATIONS SERVICES, LT |
Landline |
| 240-818 |
WASHINGTON |
Smithsburg |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-821 |
MONTGOMERY |
Silver Spring |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-823 |
PRINCE GEORGE'S |
Brandywine |
XO MARYLAND, LLC |
Landline |
| 240-832 |
MONTGOMERY |
Bethesda |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-833 |
MONTGOMERY |
Kensington |
XO MARYLAND, LLC |
Landline |
| 240-835 |
MONTGOMERY |
Rockville |
ARBROS COMMUNICATIONS LICENSING COM |
Landline |
| 240-837 |
CHARLES |
Hughesville |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-838 |
PRINCE GEORGE'S |
Capitol Heights |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-839 |
|
Wshngtnzn3 |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Landline |
| 240-841 |
PRINCE GEORGE'S |
Laurel |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-842 |
PRINCE GEORGE'S |
Glenn Dale |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-843 |
PRINCE GEORGE'S |
College Park |
ALLEGIANCE TELECOM OF MARYLAND, INC |
Landline |
| 240-844 |
SAINT MARY'S |
Ridge |
XO MARYLAND, LLC |
Landline |
| 240-845 |
PRINCE GEORGE'S |
College Park |
XO MARYLAND, LLC |
Landline |
| 240-846 |
PRINCE GEORGE'S |
Clinton |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-848 |
MONTGOMERY |
Gaithersburg |
SBC TELECOM, INC. - MD |
Landline |
| 240-855 |
PRINCE GEORGES |
Beltsville |
SPRINT SPECTRUM L.P. |
Landline |
| 240-857 |
PRINCE GEORGE'S |
Temple Hills |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-860 |
PRINCE GEORGES |
Laurel |
XSPEDIUS MANAGEMENT CO. SWITCHED SE |
Landline |
| 240-861 |
PRINCE GEORGES |
Laurel |
XSPEDIUS MANAGEMENT CO. SWITCHED SE |
Landline |
| 240-863 |
PRINCE GEORGE'S |
Laurel |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-864 |
MONTGOMERY |
Rockville |
CAVALIER EAST LLC - MD |
Landline |
| 240-865 |
ANNE ARUNDEL |
Baltimore |
PAC-WEST TELECOMM, INC. - MD |
Landline |
| 240-866 |
PRINCE GEORGES |
Laurel |
XSPEDIUS MANAGEMENT CO. SWITCHED SE |
Landline |
| 240-868 |
MONTGOMERY |
Silver Spring |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-869 |
|
Cumberland |
KMC TELECOM III, INC. - MD |
Landline |
| 240-876 |
MONTGOMERY |
Bethesda |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-880 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-882 |
PRINCE GEORGE'S |
Capitol Heights |
NEXTEL COMMUNICATIONS, INC. |
Cell Phone |
| 240-883 |
MONTGOMERY |
Ashton |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-888 |
MONTGOMERY |
Rockville |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-892 |
PRINCE GEORGE'S |
Upper Marlboro |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-893 |
MONTGOMERY |
Silver Spring |
BLUE LICENSES HOLDING, LLC |
Cell Phone |
| 240-895 |
SAINT MARY'S |
Lexington Park |
VERIZON MARYLAND, INC. - MD |
Landline |
| 240-897 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-898 |
PRINCE GEORGE'S |
Mount Rainier |
BROADWING COMMUNICATIONS, LLC - MD |
Landline |
| 240-899 |
MONTGOMERY |
Bethesda |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-906 |
PRINCE GEORGES |
Laurel |
XSPEDIUS MANAGEMENT CO. SWITCHED SE |
Landline |
| 240-912 |
MONTGOMERY |
Gaithersburg |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-920 |
ALLEGANY |
Cumberland |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-925 |
SAINT MARY'S |
Leonardtown |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-929 |
PRINCE GEORGE'S |
Glenn Dale |
CAVALIER EAST LLC - MD |
Landline |
| 240-936 |
DISTRICT OF COLUMBIA |
Washington |
VERIZON MARYLAND, INC. |
Landline |
| 240-938 |
MONTGOMERY |
Ashton |
OMNIPOINT COMMUNICATIONS CAP OPERAT |
Cell Phone |
| 240-949 |
PRINCE GEORGE'S |
Clinton |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-965 |
PRINCE GEORGE'S |
College Park |
PAETEC COMMUNICATIONS, INC. - DC |
Landline |
| 240-976 |
|
Damascs236 |
BALTIMORE-WASHINGTON TELEPHONE BWT |
Landline |
| 240-979 |
ALLEGANY |
Cumberland |
LEVEL 3 COMMUNICATIONS, LLC - VA |
Landline |
| 240-986 |
CHARLES |
Nanjemoy |
XO MARYLAND, LLC |
Landline |
| 240-988 |
PRINCE GEORGE'S |
Beltsville |
SPRINT SPECTRUM L.P. |
Cell Phone |
| 240-993 |
CHARLES |
Indian Head |
US LEC OF VIRGINIA LLC - DC |
Landline |
| 240-994 |
MONTGOMERY |
Rockville |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-997 |
MONTGOMERY |
Silver Spring |
CELLCO PARTNERSHIP DBA VERIZON WIRE |
Cell Phone |
| 240-999 |
DISTRICT OF COLUMBIA |
Washington |
VERIZON MARYLAND, INC. |
Landline |
