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Area Codes > 310 > Central Office Codes

Exchange Rate Center State Operating Company
310-500 W ANGELES CA TIME WARNER TELECOM OF CALIFORNIA, LP - CA
310-501 CMTN CMTN CA ARCH WIRELESS HOLDINGS, INC.
310-502 CMTN GRDN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-503 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-504 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-505 CMTN GRDN CA NEXTEL COMMUNICATIONS, INC.
310-506 MALIBU CA VERIZON CALIFORNIA INC.-CA (GTE)
310-507 SAN PEDRO CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-508 CMTN GRDN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-509 CMTN CMTN CA ARCH WIRELESS HOLDINGS, INC.
310-510 AVALON CA PACIFIC BELL
310-511 CA
310-512 CMTN GRDN CA PACIFIC BELL
310-513 SAN PEDRO CA PACIFIC BELL
310-514 SAN PEDRO CA PACIFIC BELL
310-515 CMTN GRDN CA PACIFIC BELL
310-516 CMTN GRDN CA PACIFIC BELL
310-517 LOMITA CA PACIFIC BELL
310-518 SAN PEDRO CA PACIFIC BELL
310-519 SAN PEDRO CA PACIFIC BELL
310-520 CA PACIFIC BELL
310-521 SAN PEDRO CA PACIFIC BELL
310-522 SAN PEDRO CA PACIFIC BELL
310-523 CMTN GRDN CA PACIFIC BELL
310-524 EL SEGUNDO CA PACIFIC BELL
310-525 CMTN GRDN CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-526 SNMN SNMN CA MCI WORLDCOM COMMUNICATIONS, INC., CA
310-527 CMTN GRDN CA PACIFIC BELL
310-528 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-529 EL SEGUNDO CA BLUE LICENSES HOLDING, LLC
310-530 LOMITA CA PACIFIC BELL
310-531 HAWTHORNE CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-532 CMTN GRDN CA PACIFIC BELL
310-533 TORRANCE CA PACIFIC BELL
310-534 LOMITA CA PACIFIC BELL
310-535 EL SEGUNDO CA PACIFIC BELL
310-536 HAWTHORNE CA PACIFIC BELL
310-537 CMTN CMTN CA PACIFIC BELL
310-538 CMTN GRDN CA PACIFIC BELL
310-539 LOMITA CA PACIFIC BELL
310-540 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-541 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-542 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-543 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-544 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-545 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-546 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-547 SAN PEDRO CA PACIFIC BELL
310-548 SAN PEDRO CA PACIFIC BELL
310-549 SAN PEDRO CA PACIFIC BELL
310-550 BEVERLYHLS CA PACIFIC BELL
310-551 BEVERLYHLS CA PACIFIC BELL
310-552 BEVERLYHLS CA PACIFIC BELL
310-553 BEVERLYHLS CA PACIFIC BELL
310-554 SNMN SNMN CA COOK TELECOM, INC.
310-555 GRDN0386T CA MULTIPLE OCN LISTING
310-556 BEVERLYHLS CA PACIFIC BELL
310-557 BEVERLYHLS CA PACIFIC BELL
310-558 CULVERCITY CA PACIFIC BELL
310-559 CULVERCITY CA PACIFIC BELL
310-560 SNMN MRVS CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-561 TORRANCE CA T-MOBILE USA, INC.
310-562 W ANGELES CA BLUE LICENSES HOLDING, LLC
310-563 EL SEGUNDO CA PACIFIC BELL
310-564 SNMN SNMN CA PAC - WEST TELECOMM, INC.
310-565 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-566 SNMN SNMN CA U.S. TELEPACIFIC CORP. - CA
310-567 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-568 INGLEWOOD CA PACIFIC BELL
310-569 SNMN MRVS CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-570 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-571 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-572 SNMN MRVS CA VERIZON CALIFORNIA INC.-CA (GTE)
310-573 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-574 SNMN MRVS CA VERIZON CALIFORNIA INC.-CA (GTE)
310-575 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-576 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-577 SNMN MRVS CA VERIZON CALIFORNIA INC.-CA (GTE)
310-578 SNMN MRVS CA VERIZON CALIFORNIA INC.-CA (GTE)
310-579 MALIBU CA MCIMETRO, ATS, INC.
310-580 SNMN SNMN CA BROADWING COMMUNICATINS. LLC - CA
310-581 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-582 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-583 SNMN SNMN CA DIGITCOM SERVICES, INC.
310-584 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-585 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-586 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-587 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-588 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-589 MALIBU CA VERIZON CALIFORNIA INC.-CA (GTE)
310-590 INGLEWOOD CA NEXTEL COMMUNICATIONS, INC.
310-591 SNMN MRVS CA TIME WARNER TELECOM OF CALIFORNIA, LP - CA
310-592 W ANGELES CA BLUE LICENSES HOLDING, LLC
310-593 SNMN SNMN CA ALLEGIANCE TELECOM, INC. - CA
310-594 CMTN GRDN CA SPRINT SPECTRUM L.P.
310-595 BEVERLYHLS CA MCIMETRO, ATS, INC.
310-596 BEVERLYHLS CA ARCH WIRELESS HOLDINGS, INC.
310-597 W ANGELES CA LEVEL 3 COMMUNICATIONS, LLC - CA
310-598 BEVERLYHLS CA AT&T LOCAL
310-599 CMTN CMTN CA DIGITCOM SERVICES, INC.