888-361-7695 904-323-7665 514-506-4701
877-300-2088 855-379-3029 519-880-5659
778-200-2886 602-388-8762 613-402-5998

Index

Area Code 410 - Maryland

Prefix 410-200 - EASTON, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-201 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-202 - SALISBURY, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-203 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-204 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-205 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-206 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-207 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-208 - BERLIN, MD (VERIZON MARYLAND, INC.)
Prefix 410-209 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-210 - SALISBURY, MD (AQUIS COMMUNICATIONS, INC.)
Prefix 410-212 - ANNAPOLIS, MD (SPRINT SPECTRUM L.P.)
Prefix 410-213 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-214 - RISING SUN, MD (CORE COMMUNICATIONS, INC. - MD)
Prefix 410-215 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-216 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-217 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-218 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-219 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-220 - ELKRIDGE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-221 - CAMBRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-222 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-223 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-224 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-225 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-226 - OXFORD, MD (VERIZON MARYLAND, INC.)
Prefix 410-227 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-228 - CAMBRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-229 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-230 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-231 - SOLOMONS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-232 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-233 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-234 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-235 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-236 - TOWSON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-237 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-238 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-239 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-240 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-241 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-242 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-243 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-244 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-245 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-246 - BALTIMORE, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-247 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-248 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-249 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-250 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-251 - SALISBURY, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-252 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-253 - EASTON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-254 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-255 - ARGRGBSNIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-256 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-257 - NORTHBEACH, MD (VERIZON MARYLAND, INC.)
Prefix 410-258 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-259 - WESTMINSTR, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-260 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-261 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-262 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-263 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-264 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-265 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-266 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-267 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-268 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-269 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-270 - SALISBURY, MD (REDI-CALL COMMUNICATIONS CO)
Prefix 410-271 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-272 - ABERDEEN, MD (VERIZON MARYLAND, INC.)
Prefix 410-273 - ABERDEEN, MD (VERIZON MARYLAND, INC.)
Prefix 410-274 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-275 - CECILTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-276 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-277 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-278 - ABERDEEN, MD (VERIZON MARYLAND, INC.)
Prefix 410-279 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-280 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-281 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-282 - DUNDALK, MD (VERIZON MARYLAND, INC.)
Prefix 410-283 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-284 - DUNDALK, MD (VERIZON MARYLAND, INC.)
Prefix 410-285 - DUNDALK, MD (VERIZON MARYLAND, INC.)
Prefix 410-286 - NORTHBEACH, MD (VERIZON MARYLAND, INC.)
Prefix 410-287 - NORTH EAST, MD (VERIZON MARYLAND, INC.)
Prefix 410-288 - DUNDALK, MD (VERIZON MARYLAND, INC.)
Prefix 410-289 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-290 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-291 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-292 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-293 - ANNAPOLIS, MD (PAETEC COMMUNICATIONS, INC. - MD)
Prefix 410-294 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-295 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-296 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-297 - ABERDEEN, MD (VERIZON MARYLAND, INC.)
Prefix 410-298 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-299 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-300 - ELKRIDGE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-301 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-302 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-303 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-304 - QUEENSTOWN, MD (IDT AMERICA CORP - MD)
Prefix 410-305 - ODENTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-306 - ABERDEEN, MD (VERIZON MARYLAND, INC.)
Prefix 410-307 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-308 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-309 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-310 - EASTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-312 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-313 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-314 - ARBUTUS, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-315 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-316 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-317 - ARGRGBSNIS, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-318 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-319 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-320 - ANNAPOLIS, MD (NEXTEL COMMUNICATIONS, INC.)
Prefix 410-321 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-322 - BEL AIR, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-323 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-324 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-325 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-326 - SOLOMONS, MD (VERIZON MARYLAND, INC.)
Prefix 410-327 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-328 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-329 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-330 - CAMBRIDGE, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-331 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-332 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-333 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-334 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-335 - CHASE, MD (VERIZON MARYLAND, INC.)
Prefix 410-336 - BALTIMORE, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-337 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-338 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-339 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-340 - BALTIMORE, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-341 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-342 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-343 - SPARKSGLNC, MD (VERIZON MARYLAND, INC.)
Prefix 410-344 - CHASE, MD (VERIZON MARYLAND, INC.)
Prefix 410-345 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-346 - SILVER RUN, MD (VERIZON MARYLAND, INC.)
Prefix 410-347 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-348 - STILL POND, MD (VERIZON MARYLAND, INC.)
Prefix 410-349 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-350 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-351 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-352 - BISHOPVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-353 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-354 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-355 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-356 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-357 - PARKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-358 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-359 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-360 - ARGRGBSNIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-361 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-362 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-363 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-364 - HILLSBORO, MD (VERIZON MARYLAND, INC.)
Prefix 410-365 - BALTIMORE, MD (NEXTEL COMMUNICATIONS, INC.)
Prefix 410-366 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-367 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-368 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-369 - BALTIMORE, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-370 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-371 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-372 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-373 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-374 - HAMPSTEAD, MD (VERIZON MARYLAND, INC.)
Prefix 410-375 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-376 - VIENNA, MD (VERIZON MARYLAND, INC.)
Prefix 410-377 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-378 - PT DEPOSIT, MD (VERIZON MARYLAND, INC.)
Prefix 410-379 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-380 - SALISBURY, MD (REDI-CALL COMMUNICATIONS CO)
Prefix 410-381 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-382 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-383 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-384 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-385 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-386 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-387 - BALTIMORE, MD (BROADVIEW NETWORKS, INC. - MD)
Prefix 410-388 - SPARROWSPT, MD (VERIZON MARYLAND, INC.)
Prefix 410-389 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-390 - OCEAN CITY, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-391 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-392 - ELKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-393 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-394 - SOLOMONS, MD (VERIZON MARYLAND, INC.)
Prefix 410-395 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-396 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-397 - WINGATE, MD (VERIZON MARYLAND, INC.)
Prefix 410-398 - ELKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-399 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-400 - BALTIMORE, MD (CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD)
Prefix 410-401 - BRYNPKLNCM, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-402 - CATONSVL, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-403 - COCKEYSVL, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-404 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-405 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-406 - ESSEX, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-407 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-408 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-409 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-412 - GLENBURNIE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-413 - PIKESVILLE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-414 - PRINCEFRCK, MD (VERIZON MARYLAND, INC.)
Prefix 410-415 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-416 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-417 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-418 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-419 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-420 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-421 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-422 - SALISBURY, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-423 - COLUMBIA, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-424 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-425 - SMITH IS, MD (VERIZON MARYLAND, INC.)
Prefix 410-426 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-427 - TOWSON, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-428 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-429 - WORTHINGTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-430 - SALISBURY, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-431 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-432 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-433 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-434 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-435 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-436 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-437 - ARGRGBSNIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-438 - SUDLERSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-439 - ARGRGBSNIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-440 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-441 - ELKTON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-442 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-443 - EASTON, MD (LEVEL 3 COMMUNICATIONS, LLC - MD)
Prefix 410-444 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-445 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-446 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-447 - COLUMBIA, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-448 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-449 - SOLOMONS, MD (BANDWIDTH.COM CLEC, LLC - MD)
Prefix 410-450 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-451 - CROFTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-452 - CARDIFF, MD (VERIZON MARYLAND, INC.)
Prefix 410-453 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-454 - BALTIMORE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-455 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-456 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-457 - DARLINGTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-458 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-459 - FALLSTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-460 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-461 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-462 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-463 - TRAPPE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-464 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-465 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-466 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-467 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-468 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-469 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-470 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-471 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-472 - SPARKSGLNC, MD (VERIZON MARYLAND, INC.)
Prefix 410-473 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-474 - PRINCEFRCK, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-475 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-476 - TRAPPE, MD (VERIZON MARYLAND, INC.)
Prefix 410-477 - SPARROWSPT, MD (VERIZON MARYLAND, INC.)
Prefix 410-478 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-479 - DENTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-480 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-481 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-482 - GREENSBORO, MD (VERIZON MARYLAND, INC.)
Prefix 410-483 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-484 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-485 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-486 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-487 - GLENBURNIE, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-488 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-489 - GLENWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-490 - CENTREVL, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-491 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-492 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-493 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-494 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-495 - PRINCEFRCK, MD (VERIZON MARYLAND, INC.)
Prefix 410-496 - RANDALLSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-497 - PARKVILLE, MD (COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD)
Prefix 410-498 - COCKEYSVL, MD (CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD)
Prefix 410-499 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-500 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-501 - ARBUTUS, MD (LIGHTWAVE COMMUNICATIONS, LLC - MD)
Prefix 410-502 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-503 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-504 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-505 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-506 - ELKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-507 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-508 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-509 - WATERLO236, MD (BALTIMORE-WASHINGTON TELEPHONE BWT)
Prefix 410-510 - FORK, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-512 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-513 - PARKVILLE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-514 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-515 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-516 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-517 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-518 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-519 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-520 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-521 - RANDALLSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-522 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-523 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-524 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-525 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-526 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-527 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-528 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-529 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-530 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-531 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-532 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-533 - ANNAPOLIS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-534 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-535 - PRINCEFRCK, MD (VERIZON MARYLAND, INC.)
Prefix 410-536 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-537 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-538 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-539 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-540 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-541 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-542 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-543 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-544 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-545 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-546 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-547 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-548 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-549 - SYKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-550 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-551 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-552 - SYKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-553 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-554 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-555 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-556 - CHURCHHILL, MD (VERIZON MARYLAND, INC.)
Prefix 410-557 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-558 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-559 - PIKESVILLE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-560 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-561 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-562 - ANNAPOLIS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-563 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-564 - ELKRIDGE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-565 - ARBUTUS, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-566 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-567 - ELKRIDGE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-568 - COCKEYSVL, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-569 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-570 - ANNAPOLIS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-571 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-572 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-573 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-574 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-575 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-576 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-577 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-578 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-579 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-580 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-581 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-582 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-583 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-584 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-585 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-586 - PRINCEFRCK, MD (VERIZON MARYLAND, INC.)
Prefix 410-587 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-588 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-589 - BRYNPKLNCM, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-590 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-591 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-592 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-593 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-594 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-595 - GLENBURNIE, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-596 - WESTMINSTR, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-597 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-598 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-599 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-600 - BERLIN, MD (SPRINT COMMUNICATIONS COMPANY, L.P. - MD)
Prefix 410-601 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-602 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-603 - SALISBURY, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-604 - STEVENSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-605 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-606 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-607 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-608 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-609 - BRYNPKLNCM, MD (VERIZON MARYLAND, INC.)
Prefix 410-610 - PRINCEFRCK, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-612 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-613 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-614 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-615 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-616 - TOWSON, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-617 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-618 - PERRYVILLE, MD (IDT AMERICA CORP - MD)
Prefix 410-619 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-620 - ELKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-621 - PRINCEANNE, MD (VERIZON MARYLAND, INC.)
Prefix 410-622 - BALTIMORE, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-623 - MARION, MD (VERIZON MARYLAND, INC.)
Prefix 410-624 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-625 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-626 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-627 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-628 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-629 - BERLIN, MD (VERIZON MARYLAND, INC.)
Prefix 410-630 - CHASE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-631 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-632 - SNOW HILL, MD (VERIZON MARYLAND, INC.)
Prefix 410-633 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-634 - RIDGELY, MD (VERIZON MARYLAND, INC.)
Prefix 410-635 - NEWWINDSOR, MD (VERIZON MARYLAND, INC.)
Prefix 410-636 - BRYNPKLNCM, MD (VERIZON MARYLAND, INC.)
Prefix 410-637 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-638 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-639 - ROCK HALL, MD (VERIZON MARYLAND, INC.)
Prefix 410-640 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-641 - BERLIN, MD (VERIZON MARYLAND, INC.)
Prefix 410-642 - PERRYVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-643 - STEVENSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-644 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-645 - WOODLAWN, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-646 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-647 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-648 - GALENA, MD (VERIZON MARYLAND, INC.)
Prefix 410-649 - BALTIMORE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-650 - DUNDALK, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-651 - PRINCEANNE, MD (VERIZON MARYLAND, INC.)
Prefix 410-652 - BEL AIR, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-653 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-654 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-655 - RANDALLSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-656 - NORTH EAST, MD (ARMSTRONG TELECOMMUNICATIONS, INC. - MD)
Prefix 410-657 - PARKVILLE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-658 - RISING SUN, MD (ARMSTRONG TELEPHONE CO. OF MARYLAND)
Prefix 410-659 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-660 - ELKRIDGE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-661 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-662 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-663 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-664 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-665 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-666 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-667 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-668 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-669 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-670 - EDGEWOOD, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-671 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-672 - ODENTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-673 - PRESTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-674 - ODENTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-675 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-676 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-677 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-678 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-679 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-680 - ELLICOTTCY, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-681 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-682 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-683 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-684 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-685 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-686 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-687 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-688 - FALLSTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-689 - GLENBURNIE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-690 - EASTON, MD (AT&T LOCAL)
Prefix 410-691 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-692 - JARRETTSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-693 - ANNAPOLIS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-694 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-695 - ODENTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-696 - ELLICOTTCY, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-697 - MILLERSVL, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-698 - FORK, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-699 - CHESTERTN, MD (SPRINT SPECTRUM L.P.)
Prefix 410-701 - RANDALLSTN, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-702 - REISTERSTN, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-703 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-704 - TOWSON, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-705 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-706 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-707 - COLUMBIA, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-708 - CHESTERTN, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-709 - SPARROWSPT, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-710 - BALTIMORE, MD (OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC)
Prefix 410-712 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-713 - SALISBURY, MD (LEVEL 3 COMMUNICATIONS, LLC - MD)
Prefix 410-714 - EASTON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-715 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-716 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-717 - ELKRIDGE, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-718 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-719 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-720 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-721 - CROFTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-722 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-723 - OCEAN CITY, MD (VERIZON MARYLAND, INC.)
Prefix 410-724 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-725 - EASTON, MD (SPRINT SPECTRUM L.P.)
Prefix 410-726 - SALISBURY, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-727 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-728 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-729 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-730 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-731 - ANNAPOLIS, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-732 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-733 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-734 - CHURCHVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-735 - BALTIMORE, MD (CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD)
Prefix 410-736 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-737 - ARBUTUS, MD (VERIZON MARYLAND, INC.)
Prefix 410-738 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-739 - CENTREVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-740 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-741 - WEST RIVER, MD (VERIZON MARYLAND, INC.)
Prefix 410-742 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-743 - BALTIMORE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-744 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-745 - STMICHAELS, MD (VERIZON MARYLAND, INC.)
Prefix 410-746 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-747 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-748 - ELLICOTTCY, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-749 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-750 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-751 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-752 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-753 - PIKESVILLE, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-754 - FEDERALSBG, MD (VERIZON MARYLAND, INC.)
Prefix 410-755 - WARWICK, MD (VERIZON MARYLAND, INC.)
Prefix 410-756 - TANEYTOWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-757 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-758 - CENTREVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-759 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-760 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-761 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-762 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-763 - EASTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-764 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-765 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-766 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-767 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-768 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-769 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-770 - EASTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-771 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-772 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-773 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-774 - CROFTON, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-775 - UNION BDG, MD (VERIZON MARYLAND, INC.)
Prefix 410-776 - BEL AIR, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-777 - SEVERNA PK, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-778 - CHESTERTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-779 - BALTIMORE, MD (LEVEL 3 COMMUNICATIONS, LLC - MD)
Prefix 410-780 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-781 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-782 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-783 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-784 - DEALISLAND, MD (VERIZON MARYLAND, INC.)
Prefix 410-785 - COCKEYSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-786 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-787 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-788 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-789 - BRYNPKLNCM, MD (VERIZON MARYLAND, INC.)
Prefix 410-790 - TOWSON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-791 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-792 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-793 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-794 - COLUMBIA, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-795 - SYKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-796 - ELKRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-797 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-798 - WEST RIVER, MD (VERIZON MARYLAND, INC.)
Prefix 410-799 - WATERLO238, MD (VERIZON MARYLAND, INC.)
Prefix 410-800 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-801 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-802 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-803 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-804 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-805 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-806 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-807 - CATONSVL, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-808 - FALLSTON, MD (NEXTEL COMMUNICATIONS, INC.)
Prefix 410-809 - BEL AIR, MD (CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD)
Prefix 410-810 - CHESTERTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-812 - TOWSON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-813 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-814 - BALTIMORE, MD (CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD)
Prefix 410-815 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-816 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-817 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-818 - CATONSVL, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-819 - EASTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-820 - EASTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-821 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-822 - EASTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-823 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-824 - WATERLO236, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-825 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-826 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-827 - QUEENSTOWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-828 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-829 - EASTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-830 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-831 - SALISBURY, MD (HALO WIRELESS SERVICES, INC.)
Prefix 410-832 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-833 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-834 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-835 - WILLARDS, MD (VERIZON MARYLAND, INC.)
Prefix 410-836 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-837 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-838 - BEL AIR, MD (VERIZON MARYLAND, INC.)
Prefix 410-839 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-840 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-841 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-842 - TOWSON, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-843 - BALTIMORE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-844 - BALTIMORE, MD (PEERLESS NETWORK OF MARYLAND, LLC)
Prefix 410-845 - SALISBURY, MD (SPRINT SPECTRUM L.P.)
Prefix 410-846 - SEVERN, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-847 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-848 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-849 - SHERWD FOR, MD (VERIZON MARYLAND, INC.)
Prefix 410-850 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-851 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-852 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-853 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-854 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-855 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-856 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-857 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-858 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-859 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-860 - SALISBURY, MD (VERIZON MARYLAND, INC.)
Prefix 410-861 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-862 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-863 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-864 - BALTIMORE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-865 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-866 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-867 - WEST RIVER, MD (VERIZON MARYLAND, INC.)
Prefix 410-868 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-869 - CATONSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-870 - PARKVILLE, MD (COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD)
Prefix 410-871 - WESTMINSTR, MD (VERIZON MARYLAND, INC.)
Prefix 410-872 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-873 - NANTICOKE, MD (VERIZON MARYLAND, INC.)
Prefix 410-874 - ODENTON, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-875 - SYKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-876 - REISTERSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-877 - FALLSTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-878 - BALTIMORE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-879 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-880 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-881 - SHERWD FOR, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-882 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-883 - SHARPTOWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-884 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-885 - CHESAPKECY, MD (VERIZON MARYLAND, INC.)
Prefix 410-886 - TILGHMAN, MD (VERIZON MARYLAND, INC.)
Prefix 410-887 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-888 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-889 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-890 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-891 - COCKEYSVL, MD (MCI WORLDCOM COMMUNICATIONS, INC. - MD)
Prefix 410-892 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-893 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-894 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-895 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-896 - DELMAR, MD (VERIZON MARYLAND, INC.)
Prefix 410-897 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-898 - WATERLO236, MD (VERIZON MARYLAND, INC.)
Prefix 410-899 - TOWSON, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-900 - BALTIMORE, MD (CTC COMMUNICATIONS CORP. - MD)
Prefix 410-901 - CAMBRIDGE, MD (VERIZON MARYLAND, INC.)
Prefix 410-902 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-903 - SEVERNA PK, MD (SPRINT SPECTRUM L.P.)
Prefix 410-904 - WATERLO238, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-905 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-906 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-907 - WOODLAWN, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-908 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-909 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-910 - COLUMBIA, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-912 - SALISBURY, MD (CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD)
Prefix 410-913 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-914 - CHURCHVL, MD (CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD)
Prefix 410-915 - BALTIMORE, MD (BALTIMORE-WASHINGTON TELEPHONE BWT)
Prefix 410-916 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-917 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-918 - ESSEX, MD (VERIZON MARYLAND, INC.)
Prefix 410-919 - ANNAPOLIS, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-920 - ELKTON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-921 - SEVERN, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-922 - RANDALLSTN, MD (VERIZON MARYLAND, INC.)
Prefix 410-923 - MILLERSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-924 - EASTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-925 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-926 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-927 - ODENTON, MD (TW TELECOM OF MARYLAND LLC - MD)
Prefix 410-928 - MILLINGTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-929 - BALTIMORE, MD (BANDWIDTH.COM CLEC, LLC - MD)
Prefix 410-930 - WATERLO236, MD (REDI-CALL COMMUNICATIONS CO)
Prefix 410-931 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-932 - ELKRIDGE, MD (USA MOBILITY WIRELESS, INC.)
Prefix 410-933 - PARKVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-934 - ANNAPOLIS, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-935 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-936 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-937 - FALLSTON, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-938 - TOWSON, MD (VERIZON MARYLAND, INC.)
Prefix 410-939 - HAVREGRACE, MD (VERIZON MARYLAND, INC.)
Prefix 410-940 - ANNAPOLIS, MD (ATX TELECOMMUNICATIONS SERVICES, LTD)
Prefix 410-941 - JARRETTSVL, MD (VERIZON MARYLAND, INC.)
Prefix 410-942 - HAVREGRACE, MD (VERIZON MARYLAND, INC.)
Prefix 410-943 - HURLOCK, MD (VERIZON MARYLAND, INC.)
Prefix 410-944 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-945 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-946 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-947 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-948 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-949 - BALTIMORE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-951 - BALTIMORE, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-952 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-953 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-954 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-955 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-956 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-957 - POCOMOKE, MD (VERIZON MARYLAND, INC.)
Prefix 410-960 - BALTIMORE, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-961 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-962 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-963 - BALTIMORE, MD (SPRINT SPECTRUM L.P.)
Prefix 410-964 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-965 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-966 - WOODLAWN, MD (VERIZON MARYLAND, INC.)
Prefix 410-967 - TOWSON, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-968 - CRISFIELD, MD (VERIZON MARYLAND, INC.)
Prefix 410-969 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-970 - SYKESVILLE, MD (MCIMETRO ACCESS TRANSMISSION SERVICES LLC)
Prefix 410-971 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-972 - ANNAPOLIS, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)
Prefix 410-973 - BERLIN, MD (MCC TELEPHONY OF THE MID-ATLANTIC, LLC - MD)
Prefix 410-974 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-975 - SEVERNA PK, MD (VERIZON MARYLAND, INC.)
Prefix 410-976 - BALTIMORE, MD (BALTIMORE-WASHINGTON TELEPHONE BWT)
Prefix 410-977 - BALTIMORE, MD (NEXTEL COMMUNICATIONS, INC.)
Prefix 410-978 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-979 - CATONSVL, MD (NEW CINGULAR WIRELESS PCS, LLC - DC)
Prefix 410-980 - ANNAPOLIS, MD (GLOBAL NAPS SOUTH, INC. - MD)
Prefix 410-981 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-982 - BALTIMORE, MD (QUANTUM TELECOMMUNICATIONS, INC. - MD)
Prefix 410-983 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-984 - SYKESVILLE, MD (NEXTEL COMMUNICATIONS, INC.)
Prefix 410-985 - WATERLO236, MD (BALTIMORE-WASHINGTON TELEPHONE BWT)
Prefix 410-986 - BALTIMORE, MD (VERIZON MARYLAND, INC.)
Prefix 410-987 - SEVERN, MD (VERIZON MARYLAND, INC.)
Prefix 410-988 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-989 - FORK, MD (VERIZON MARYLAND, INC.)
Prefix 410-990 - ANNAPOLIS, MD (VERIZON MARYLAND, INC.)
Prefix 410-991 - ANNAPOLIS, MD (CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD)
Prefix 410-992 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-993 - GLENBURNIE, MD (VERIZON MARYLAND, INC.)
Prefix 410-994 - EDGEWOOD, MD (VERIZON MARYLAND, INC.)
Prefix 410-995 - ELLICOTTCY, MD (VERIZON MARYLAND, INC.)
Prefix 410-996 - ELKTON, MD (VERIZON MARYLAND, INC.)
Prefix 410-997 - COLUMBIA, MD (VERIZON MARYLAND, INC.)
Prefix 410-998 - PIKESVILLE, MD (VERIZON MARYLAND, INC.)
Prefix 410-999 - GLENBURNIE, MD (BALTIMORE-WASHINGTON TELEPHONE BWT)