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Browse Phone Numbers by Prefix
Our database includes 497 area code 443 prefixes with phone numbers:
| Prefix | Company | Rate Center |
|---|---|---|
| 443-200 | XO MARYLAND, LLC | WOODLAWN |
| 443-202 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-203 | VERIZON MARYLAND, INC. | WEST RIVER |
| 443-204 | NEW CINGULAR WIRELESS PCS, LLC - DC | PIKESVILLE |
| 443-205 | SPRINT SPECTRUM, L.P. | CAMBRIDGE |
| 443-206 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | PERRYVILLE |
| 443-207 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | ELKTON |
| 443-208 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-212 | US LEC OF MARYLAND, INC. | SPARKSGLNC |
| 443-213 | VERIZON MARYLAND, INC. | PIKESVILLE |
| 443-214 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-216 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | DUNDALK |
| 443-220 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-221 | LEVEL 3 COMMUNICATIONS, LLC - MD | ANNAPOLIS |
| 443-222 | XO MARYLAND, LLC | WORTHINGTN |
| 443-223 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-224 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | BALTIMORE |
| 443-225 | SPRINT SPECTRUM, L.P. | CAMBRIDGE |
| 443-226 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-228 | US LEC OF MARYLAND, INC. | CHASE |
| 443-231 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | ESSEX |
| 443-235 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SALISBURY |
| 443-239 | NEW CINGULAR WIRELESS PCS, LLC - DC | EASTON |
| 443-242 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | SPARROWSPT |
| 443-243 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FALLSTON |
| 443-244 | LEVEL 3 COMMUNICATIONS, LLC - MD | WESTMINSTR |
| 443-245 | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | ELKTON |
| 443-249 | VERIZON MARYLAND, INC. | STEVENSVL |
| 443-250 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-251 | LOCAL ACCESS LLC - MD | CATONSVL |
| 443-253 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-254 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | ANNAPOLIS |
| 443-255 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-257 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-258 | NEW CINGULAR WIRELESS PCS, LLC - DC | EASTON |
| 443-259 | VERIZON MARYLAND, INC. | COLUMBIA |
| 443-260 | VERIZON MARYLAND, INC. | SALISBURY |
| 443-261 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | SEVERNA PK |
| 443-262 | VERIZON MARYLAND, INC. | CENTREVL |
| 443-263 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-267 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | DARLINGTON |
| 443-270 | PAETEC COMMUNICATIONS, INC. - MD | GLENBURNIE |
| 443-271 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-274 | VERIZON MARYLAND, INC. | SEVERN |
| 443-275 | COMCAST IP PHONE, LLC | TOWSON |
| 443-276 | XO MARYLAND, LLC | COLUMBIA |
| 443-277 | SPRINT SPECTRUM, L.P. | SYKESVILLE |
| 443-278 | VDL, INC. DBA GLOBAL TELECOM BROKERS - MD | BALTIMORE |
| 443-279 | XO MARYLAND, LLC | TOWSON |
| 443-280 | NEW CINGULAR WIRELESS PCS, LLC - DC | SYKESVILLE |
| 443-282 | SPRINT SPECTRUM, L.P. | CHESTERTN |
| 443-283 | PAETEC COMMUNICATIONS, INC. - MD | COLUMBIA |
| 443-285 | VERIZON MARYLAND, INC. | COLUMBIA |
| 443-286 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-287 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-288 | XO MARYLAND, LLC | ELLICOTTCY |
| 443-292 | LEVEL 3 COMMUNICATIONS, LLC - MD | CROFTON |
| 443-295 | LEVEL 3 COMMUNICATIONS, LLC - MD | PRINCEFRCK |
| 443-296 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | WATERLO238 |
| 443-297 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | ARBUTUS |
| 443-298 | NEW CINGULAR WIRELESS PCS, LLC - DC | EASTON |
| 443-299 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | FALLSTON |
| 443-300 | LEVEL 3 COMMUNICATIONS, LLC - MD | SYKESVILLE |
| 443-301 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-302 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | CROFTON |
| 443-305 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | ARGRGBSNIS |
| 443-306 | SPRINT SPECTRUM, L.P. | SEVERNA PK |
| 443-309 | SPRINT SPECTRUM, L.P. | ELKTON |
| 443-310 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-312 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BRYNPKLNCM |
| 443-314 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-315 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | CATONSVL |
| 443-320 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | BALTIMORE |
| 443-321 | PAETEC COMMUNICATIONS, INC. - MD | ANNAPOLIS |
| 443-322 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | TOWSON |
| 443-323 | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | SHARPTOWN |
| 443-324 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-325 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | ELLICOTTCY |
| 443-326 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-327 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | ABERDEEN |
| 443-328 | CTC COMMUNICATIONS CORP. - MD | SYKESVILLE |
| 443-330 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | COCKEYSVL |
| 443-332 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | CROFTON |
| 443-336 | SPRINT SPECTRUM, L.P. | ANNAPOLIS |
| 443-340 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | WESTMINSTR |
| 443-341 | LEVEL 3 COMMUNICATIONS, LLC - MD | CATONSVL |
| 443-342 | CTC COMMUNICATIONS CORP. - MD | SOLOMONS |
| 443-345 | LEVEL 3 COMMUNICATIONS, LLC - MD | ABERDEEN |
| 443-347 | CTC COMMUNICATIONS CORP. - MD | CARDIFF |
| 443-348 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | WOODLAWN |
| 443-350 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ELKTON |
| 443-351 | US LEC OF MARYLAND, INC. | ODENTON |
| 443-352 | LEVEL 3 COMMUNICATIONS, LLC - MD | PIKESVILLE |
| 443-353 | VERIZON MARYLAND, INC. | COCKEYSVL |
| 443-354 | LEVEL 3 COMMUNICATIONS, LLC - MD | GLENBURNIE |
| 443-356 | LEVEL 3 COMMUNICATIONS, LLC - MD | BEL AIR |
| 443-357 | VERIZON MARYLAND, INC. | PIKESVILLE |
| 443-358 | YMAX COMMUNICATIONS CORP. - MD | SALISBURY |
| 443-359 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | DELMAR |
| 443-360 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | ABERDEEN |
| 443-362 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | EASTON |
| 443-363 | XO MARYLAND, LLC | SEVERN |
| 443-364 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | ELLICOTTCY |
| 443-365 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | SALISBURY |
| 443-366 | SPRINT SPECTRUM, L.P. | SALISBURY |
| 443-367 | VERIZON MARYLAND, INC. | COLUMBIA |
| 443-370 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-371 | LEVEL 3 COMMUNICATIONS, LLC - MD | BEL AIR |
| 443-372 | US LEC OF MARYLAND, INC. | EDGEWOOD |
| 443-375 | SPRINT SPECTRUM, L.P. | HAMPSTEAD |
| 443-377 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-379 | COMCAST IP PHONE, LLC | PIKESVILLE |
| 443-383 | CTC COMMUNICATIONS CORP. - MD | SILVER RUN |
| 443-384 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | PARKVILLE |
| 443-385 | CORE COMMUNICATIONS, INC.- MD | EASTON |
| 443-386 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-391 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | COCKEYSVL |
| 443-392 | AT&T - LOCAL | BALTIMORE |
| 443-393 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | COLUMBIA |
| 443-394 | VERIZON MARYLAND, INC. | PIKESVILLE |
| 443-397 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SALISBURY |
| 443-402 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | EDGEWOOD |
| 443-404 | SPRINT SPECTRUM, L.P. | SOLOMONS |
| 443-406 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | ELKTON |
| 443-410 | CENTURYLINK COMMUNICATIONS, LLC | GLENBURNIE |
| 443-412 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | CHURCHVL |
| 443-413 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-414 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-415 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-416 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-417 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | FALLSTON |
| 443-418 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-420 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | ELLICOTTCY |
| 443-421 | NEW CINGULAR WIRELESS PCS, LLC - DC | FORK |
| 443-422 | NEW CINGULAR WIRELESS PCS, LLC - DC | GLENBURNIE |
| 443-424 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | CARDIFF |
| 443-425 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | PARKVILLE |
| 443-426 | PAETEC COMMUNICATIONS, INC. - MD | RANDALLSTN |
| 443-429 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WOODLAWN |
| 443-430 | XO MARYLAND, LLC | COLUMBIA |
| 443-433 | XO MARYLAND, LLC | ANNAPOLIS |
| 443-435 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-436 | VERIZON MARYLAND, INC. | WOODLAWN |
| 443-438 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-440 | VERIZON MARYLAND, INC. | ANNAPOLIS |
| 443-442 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | PARKVILLE |
| 443-444 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-447 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-448 | COMCAST IP PHONE, LLC | DENTON |
| 443-449 | BROADVIEW NETWORKS, INC. - MD | BALTIMORE |
| 443-451 | PAETEC COMMUNICATIONS, INC. - MD | BALTIMORE |
| 443-452 | US LEC OF MARYLAND, INC. | BALTIMORE |
| 443-453 | ONVOY, LLC - MD | BALTIMORE |
| 443-454 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | ANNAPOLIS |
| 443-455 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-456 | COMCAST IP PHONE, LLC | EDGEWOOD |
| 443-457 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | BRYNPKLNCM |
| 443-458 | XO MARYLAND, LLC | ANNAPOLIS |
| 443-459 | PAETEC COMMUNICATIONS, INC. - MD | ELKRIDGE |
| 443-460 | XO MARYLAND, LLC | ESSEX |
| 443-461 | US LEC OF MARYLAND, INC. | PARKVILLE |
| 443-462 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-463 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-465 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-466 | SPRINT SPECTRUM, L.P. | ELKTON |
| 443-467 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-468 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-470 | US LEC OF MARYLAND, INC. | TOWSON |
| 443-471 | US LEC OF MARYLAND, INC. | PIKESVILLE |
| 443-472 | LEVEL 3 COMMUNICATIONS, LLC - MD | COLUMBIA |
| 443-473 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-474 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-475 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | BALTIMORE |
| 443-477 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | CAMBRIDGE |
| 443-478 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-480 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | CHESTERTN |
| 443-481 | US LEC OF MARYLAND, INC. | ANNAPOLIS |
| 443-482 | VERIZON MARYLAND, INC. | ANNAPOLIS |
| 443-484 | LEVEL 3 COMMUNICATIONS, LLC - MD | EDGEWOOD |
| 443-486 | LEVEL 3 COMMUNICATIONS, LLC - MD | PRINCEFRCK |
| 443-487 | LEVEL 3 COMMUNICATIONS, LLC - MD | WESTMINSTR |
| 443-488 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-489 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | CHASE |
| 443-490 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | EDGEWOOD |
| 443-492 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | ELKRIDGE |
| 443-496 | SPRINT SPECTRUM, L.P. | EASTON |
| 443-497 | SPRINT SPECTRUM, L.P. | SALISBURY |
| 443-500 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-502 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | HAVREGRACE |
| 443-505 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | ESSEX |
| 443-506 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-508 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | HAMPSTEAD |
| 443-509 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-510 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-512 | VERIZON MARYLAND, INC. | EDGEWOOD |
| 443-513 | NEW CINGULAR WIRELESS PCS, LLC - DC | BERLIN |
| 443-514 | US LEC OF MARYLAND, INC. | CATONSVL |
| 443-515 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | CAMBRIDGE |
| 443-516 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | SYKESVILLE |
| 443-517 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | GLENBURNIE |
| 443-520 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-521 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | CAMBRIDGE |
| 443-523 | VERIZON MARYLAND, INC. | SALISBURY |
| 443-524 | XO MARYLAND, LLC | BALTIMORE |
| 443-525 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-527 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-528 | SPRINT SPECTRUM, L.P. | BEL AIR |
| 443-529 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-530 | PAETEC COMMUNICATIONS, INC. - MD | DUNDALK |
| 443-531 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-532 | SPRINT SPECTRUM, L.P. | PRINCEFRCK |
| 443-534 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-535 | VERIZON MARYLAND, INC. | COLUMBIA |
| 443-536 | SPRINT SPECTRUM, L.P. | WESTMINSTR |
| 443-537 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | COLUMBIA |
| 443-538 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | COLUMBIA |
| 443-539 | US LEC OF MARYLAND, INC. | COLUMBIA |
| 443-540 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-541 | PAETEC COMMUNICATIONS, INC. - MD | COCKEYSVL |
| 443-542 | COMCAST IP PHONE, LLC | COLUMBIA |
| 443-543 | VERIZON MARYLAND, INC. | ARBUTUS |
| 443-544 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | PIKESVILLE |
| 443-546 | VERIZON MARYLAND, INC. | COLUMBIA |
| 443-548 | XO MARYLAND, LLC | PIKESVILLE |
| 443-550 | LEVEL 3 COMMUNICATIONS, LLC - MD | NORTHBEACH |
| 443-552 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-553 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ELKTON |
| 443-557 | XO MARYLAND, LLC | GLENBURNIE |
| 443-558 | XO MARYLAND, LLC | ABERDEEN |
| 443-559 | COMCAST IP PHONE, LLC | ESSEX |
| 443-561 | US LEC OF MARYLAND, INC. | ELKRIDGE |
| 443-562 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-564 | LEVEL 3 COMMUNICATIONS, LLC - MD | TOWSON |
| 443-566 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | CHESAPKECY |
| 443-567 | LEVEL 3 COMMUNICATIONS, LLC - MD | BEL AIR |
| 443-568 | XO MARYLAND, LLC | ARBUTUS |
| 443-569 | LEVEL 3 COMMUNICATIONS, LLC - MD | ANNAPOLIS |
| 443-570 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-571 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-573 | US LEC OF MARYLAND, INC. | BALTIMORE |
| 443-574 | US LEC OF MARYLAND, INC. | ELLICOTTCY |
| 443-575 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | ARBUTUS |
| 443-576 | XO MARYLAND, LLC | RANDALLSTN |
| 443-577 | US LEC OF MARYLAND, INC. | GLENBURNIE |
| 443-578 | XO MARYLAND, LLC | COCKEYSVL |
| 443-579 | US LEC OF MARYLAND, INC. | ESSEX |
| 443-583 | CTC COMMUNICATIONS CORP. - MD | COLUMBIA |
| 443-590 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | REISTERSTN |
| 443-591 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | GLENBURNIE |
| 443-597 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | SEVERNA PK |
| 443-599 | GLOBAL CROSSING LOCAL SERVICES, INC. - MD | SEVERN |
| 443-600 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | ESSEX |
| 443-601 | CTC COMMUNICATIONS CORP. - MD | FALLSTON |
| 443-602 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-603 | PAETEC COMMUNICATIONS, INC. - MD | ANNAPOLIS |
| 443-604 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-605 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WESTMINSTR |
| 443-606 | CTC COMMUNICATIONS CORP. - MD | FORK |
| 443-607 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WEST RIVER |
| 443-609 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | SYKESVILLE |
| 443-610 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-612 | VERIZON MARYLAND, INC. | CATONSVL |
| 443-613 | NEW CINGULAR WIRELESS PCS, LLC - DC | TOWSON |
| 443-614 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SALISBURY |
| 443-615 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-616 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | BEL AIR |
| 443-617 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FALLSTON |
| 443-618 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | GLENBURNIE |
| 443-619 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BEL AIR |
| 443-621 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-622 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-623 | SPRINT SPECTRUM, L.P. | GLENBURNIE |
| 443-624 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | PRINCEFRCK |
| 443-625 | LEVEL 3 COMMUNICATIONS, LLC - MD | FORK |
| 443-627 | LEVEL 3 COMMUNICATIONS, LLC - MD | BALTIMORE |
| 443-629 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-631 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-632 | US LEC OF MARYLAND, INC. | TOWSON |
| 443-635 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-636 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | CATONSVL |
| 443-640 | US LEC OF MARYLAND, INC. | BEL AIR |
| 443-641 | LEVEL 3 COMMUNICATIONS, LLC - MD | PIKESVILLE |
| 443-642 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-643 | VERIZON MARYLAND, INC. | BEL AIR |
| 443-646 | CTC COMMUNICATIONS CORP. - MD | NORTHBEACH |
| 443-650 | XO MARYLAND, LLC | REISTERSTN |
| 443-653 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | PARKVILLE |
| 443-655 | NEW CINGULAR WIRELESS PCS, LLC - DC | BEL AIR |
| 443-656 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | COLUMBIA |
| 443-657 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | RANDALLSTN |
| 443-660 | COMCAST IP PHONE, LLC | PIKESVILLE |
| 443-661 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | WATERLO238 |
| 443-663 | VERIZON MARYLAND, INC. | WOODLAWN |
| 443-664 | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | OCEAN CITY |
| 443-666 | LEVEL 3 COMMUNICATIONS, LLC - MD | CHESTERTN |
| 443-668 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-669 | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | DELMAR |
| 443-670 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | CATONSVL |
| 443-676 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-677 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-678 | VERIZON MARYLAND, INC. | PARKVILLE |
| 443-679 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | SEVERN |
| 443-680 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-681 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-682 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-683 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-688 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | SEVERN |
| 443-690 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-691 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-692 | XO MARYLAND, LLC | BALTIMORE |
| 443-693 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | PERRYVILLE |
| 443-694 | SPRINT SPECTRUM, L.P. | SEVERNA PK |
| 443-695 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-703 | XO MARYLAND, LLC | BALTIMORE |
| 443-708 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | BALTIMORE |
| 443-710 | XO MARYLAND, LLC | CATONSVL |
| 443-714 | SPRINT SPECTRUM, L.P. | ANNAPOLIS |
| 443-716 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | ANNAPOLIS |
| 443-718 | US LEC OF MARYLAND, INC. | COLUMBIA |
| 443-720 | XO MARYLAND, LLC | ABERDEEN |
| 443-722 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-725 | PAETEC COMMUNICATIONS, INC. - MD | PARKVILLE |
| 443-728 | CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD | BERLIN |
| 443-730 | PAETEC COMMUNICATIONS, INC. - MD | ESSEX |
| 443-733 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | WATERLO238 |
| 443-735 | NEW CINGULAR WIRELESS PCS, LLC - DC | SALISBURY |
| 443-736 | NEW CINGULAR WIRELESS PCS, LLC - DC | SALISBURY |
| 443-737 | PAETEC COMMUNICATIONS, INC. - MD | WATERLO238 |
| 443-738 | PAETEC COMMUNICATIONS, INC. - MD | PIKESVILLE |
| 443-739 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-740 | LEVEL 3 COMMUNICATIONS, LLC - MD | BALTIMORE |
| 443-741 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | COLUMBIA |
| 443-742 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-743 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-744 | SPRINT SPECTRUM, L.P. | REISTERSTN |
| 443-745 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | COLUMBIA |
| 443-746 | LEVEL 3 COMMUNICATIONS, LLC - MD | EASTON |
| 443-753 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WATERLO236 |
| 443-755 | VERIZON MARYLAND, INC. | WATERLO238 |
| 443-756 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-757 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | ELKRIDGE |
| 443-758 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-759 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-760 | AT&T - LOCAL | ABERDEEN |
| 443-761 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | TOWSON |
| 443-762 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-763 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | GLENBURNIE |
| 443-764 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | GLENBURNIE |
| 443-765 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-766 | US LEC OF MARYLAND, INC. | COLUMBIA |
| 443-768 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-769 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-770 | VERIZON MARYLAND, INC. | ARGRGBSNIS |
| 443-771 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | PRINCEFRCK |
| 443-775 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-776 | BANDWIDTH.COM CLEC, LLC - MD | ELKRIDGE |
| 443-777 | VERIZON MARYLAND, INC. | ESSEX |
| 443-778 | VERIZON MARYLAND, INC. | WATERLO236 |
| 443-779 | XO MARYLAND, LLC | ABERDEEN |
| 443-780 | US LEC OF MARYLAND, INC. | WOODLAWN |
| 443-783 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SALISBURY |
| 443-786 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | EASTON |
| 443-787 | CTC COMMUNICATIONS CORP. - MD | BEL AIR |
| 443-789 | NEW CINGULAR WIRELESS PCS, LLC - DC | WESTMINSTR |
| 443-790 | SPRINT SPECTRUM, L.P. | GLENBURNIE |
| 443-791 | NEW CINGULAR WIRELESS PCS, LLC - DC | TOWSON |
| 443-792 | VERIZON MARYLAND, INC. | BRYNPKLNCM |
| 443-794 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-797 | XO MARYLAND, LLC | TOWSON |
| 443-798 | LEVEL 3 TELECOM OF MARYLAND, LLC - MD | TOWSON |
| 443-799 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-801 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-802 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-803 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-804 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-805 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | GLENBURNIE |
| 443-808 | BANDWIDTH.COM CLEC, LLC - MD | ANNAPOLIS |
| 443-809 | LEVEL 3 COMMUNICATIONS, LLC - MD | TOWSON |
| 443-810 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-812 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | COLUMBIA |
| 443-813 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-818 | LEVEL 3 COMMUNICATIONS, LLC - MD | ARGRGBSNIS |
| 443-819 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BEL AIR |
| 443-821 | SPRINT SPECTRUM, L.P. | WESTMINSTR |
| 443-822 | SPRINT SPECTRUM, L.P. | ANNAPOLIS |
| 443-823 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-824 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | TOWSON |
| 443-825 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-829 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-830 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | CATONSVL |
| 443-831 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-832 | LEVEL 3 COMMUNICATIONS, LLC - MD | COLUMBIA |
| 443-833 | US LEC OF MARYLAND, INC. | ARBUTUS |
| 443-834 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-835 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-837 | US LEC OF MARYLAND, INC. | ANNAPOLIS |
| 443-838 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-839 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-840 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-841 | VERIZON MARYLAND, INC. | TOWSON |
| 443-842 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-843 | VERIZON MARYLAND, INC. | HAVREGRACE |
| 443-844 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-845 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-846 | NEW CINGULAR WIRELESS PCS, LLC - DC | TOWSON |
| 443-848 | SPRINT SPECTRUM, L.P. | GLENBURNIE |
| 443-849 | VERIZON MARYLAND, INC. | TOWSON |
| 443-850 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-851 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | CATONSVL |
| 443-852 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-854 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-856 | CORE COMMUNICATIONS, INC.- MD | OCEAN CITY |
| 443-857 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-858 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-859 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | SALISBURY |
| 443-860 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-861 | VERIZON MARYLAND, INC. | ABERDEEN |
| 443-863 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-864 | SPRINT SPECTRUM, L.P. | COLUMBIA |
| 443-865 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-866 | SPRINT SPECTRUM, L.P. | BEL AIR |
| 443-867 | PAETEC COMMUNICATIONS, INC. - MD | GLENBURNIE |
| 443-868 | VERIZON MARYLAND, INC. | ESSEX |
| 443-869 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-871 | SPRINT SPECTRUM, L.P. | ANNAPOLIS |
| 443-872 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | BALTIMORE |
| 443-873 | ONVOY, LLC - MD | BALTIMORE |
| 443-875 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-876 | SPRINT SPECTRUM, L.P. | BEL AIR |
| 443-877 | LEVEL 3 COMMUNICATIONS, LLC - MD | NORTH EAST |
| 443-878 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | COLUMBIA |
| 443-880 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | SALISBURY |
| 443-883 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | GLENBURNIE |
| 443-885 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-886 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | COCKEYSVL |
| 443-889 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | GLENBURNIE |
| 443-895 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-896 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | COLUMBIA |
| 443-897 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-898 | LEVEL 3 COMMUNICATIONS, LLC - MD | PIKESVILLE |
| 443-901 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | TOWSON |
| 443-903 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BEL AIR |
| 443-904 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-907 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ELKTON |
| 443-909 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-910 | NEW CINGULAR WIRELESS PCS, LLC - DC | BEL AIR |
| 443-917 | ONVOY, LLC - MD | COLUMBIA |
| 443-921 | PAETEC COMMUNICATIONS, INC. - MD | TOWSON |
| 443-922 | ATX TELECOMMUNICATIONS SERVICES, LTD. | EDGEWOOD |
| 443-923 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | BALTIMORE |
| 443-924 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | ANNAPOLIS |
| 443-926 | LEVEL 3 COMMUNICATIONS, LLC - MD | ANNAPOLIS |
| 443-927 | BROADWING COMMUNICATIONS, LLC - MD | BALTIMORE |
| 443-928 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-929 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | PIKESVILLE |
| 443-931 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | BALTIMORE |
| 443-935 | NEW CINGULAR WIRELESS PCS, LLC - DC | TOWSON |
| 443-937 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | UNION BDG |
| 443-938 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-939 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-942 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | SEVERNA PK |
| 443-943 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | SPARROWSPT |
| 443-944 | COMCAST IP PHONE, LLC | SALISBURY |
| 443-945 | NEW CINGULAR WIRELESS PCS, LLC - DC | ELKTON |
| 443-948 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-949 | COMCAST IP PHONE, LLC | ANNAPOLIS |
| 443-953 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | SALISBURY |
| 443-955 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-956 | NEW CINGULAR WIRELESS PCS, LLC - DC | BALTIMORE |
| 443-957 | AT&T - LOCAL | BALTIMORE |
| 443-961 | INTRADO COMMUNICATIONS, LLC | BALTIMORE |
| 443-964 | LEVEL 3 COMMUNICATIONS, LLC - MD | NORTHBEACH |
| 443-965 | SPRINT SPECTRUM, L.P. | BALTIMORE |
| 443-966 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FALLSTON |
| 443-968 | NEW CINGULAR WIRELESS PCS, LLC - DC | PRINCEFRCK |
| 443-973 | XO MARYLAND, LLC | ELLICOTTCY |
| 443-974 | TELEPORT COMMUNICATIONS AMERICA, LLC - MD | WESTMINSTR |
| 443-975 | NEW CINGULAR WIRELESS PCS, LLC - DC | PRINCEFRCK |
| 443-977 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-979 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | COLUMBIA |
| 443-980 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-981 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | FALLSTON |
| 443-983 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | BALTIMORE |
| 443-984 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-985 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | RANDALLSTN |
| 443-986 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE |
| 443-987 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BEL AIR |
| 443-988 | LEVEL 3 COMMUNICATIONS, LLC - MD | CENTREVL |
| 443-989 | CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD | GLENBURNIE |
| 443-991 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | TOWSON |
| 443-992 | LEVEL 3 COMMUNICATIONS, LLC - MD | BALTIMORE |
| 443-994 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-995 | NEW CINGULAR WIRELESS PCS, LLC - DC | ANNAPOLIS |
| 443-996 | NEW CINGULAR WIRELESS PCS, LLC - DC | CATONSVL |
| 443-997 | VERIZON MARYLAND, INC. | BALTIMORE |
| 443-998 | VERIZON MARYLAND, INC. | PARKVILLE |
Area Code 443 Information
Area code 443 belongs to Maryland, US. It is a General Purpose Code which was placed in service on January 1, 1947.
| Type | General Purpose Code |
| Use | Geograpic |
| Location | Maryland (MD) |
| Country | US |
| Service Date | 01/06/1997 |
| Service |
Related Area Codes
Other area codes serving Maryland: