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Area Codes > 661 > Central Office Codes

Exchange Rate Center State Operating Company
661-414 SNCA NHCS CA TIME WARNER TELECOM OF CALIFORNIA, LP - CA
661-420 CUYAMA CA PAC - WEST TELECOMM, INC.
661-422 PLDL LNVY CA PAC - WEST TELECOMM, INC.
661-423 LANCASTER CA VERIZON CALIFORNIA INC.-CA (GTE)
661-424 SNCA SGCC CA PACIFIC BELL
661-427 BKFD MAIN CA PAC - WEST TELECOMM, INC.
661-428 BKFD MAIN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-430 SNCA SGCC CA COMCAST PHONE OF CALIFORNIA, LLC - CA
661-431 BKFD MAIN CA U.S. TELEPACIFIC CORP. - CA
661-433 PLDL PLDL CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-435 PLDL PLDL CA BLUE LICENSES HOLDING, LLC
661-438 WASCO CA PAC - WEST TELECOMM, INC.
661-442 SNCA NHCS CA SHELCOMM
661-443 WALKERBSIN CA PAC - WEST TELECOMM, INC.
661-444 BKFD MAIN CA T-MOBILE USA, INC.
661-449 PLDL PLDL CA PAC - WEST TELECOMM, INC.
661-450 PLDL AGDL CA PAC - WEST TELECOMM, INC.
661-451 ARVIN CA PAC - WEST TELECOMM, INC.
661-452 BERENDMESA CA PAC - WEST TELECOMM, INC.
661-453 CLFRNHTSPG CA PAC - WEST TELECOMM, INC.
661-454 DELANO CA PAC - WEST TELECOMM, INC.
661-455 GLENNVILLE CA PAC - WEST TELECOMM, INC.
661-456 PLDL PLDL CA BROADWING COMMUNICATINS. LLC - CA
661-457 LOST HILLS CA PAC - WEST TELECOMM, INC.
661-458 MCFARLAND CA PAC - WEST TELECOMM, INC.
661-459 SHAFTER CA PAC - WEST TELECOMM, INC.
661-460 WALKERBSIN CA PAC - WEST TELECOMM, INC.
661-461 LEBEC CA PAC - WEST TELECOMM, INC.
661-462 BIG BUTTE CA PAC - WEST TELECOMM, INC.
661-463 HI VISTA CA PAC - WEST TELECOMM, INC.
661-464 LAKEHUGHES CA PAC - WEST TELECOMM, INC.
661-465 BERENDMESA CA VERIZON CALIFORNIA INC.-CA
661-466 LANCASTER CA PAC - WEST TELECOMM, INC.
661-467 SNCA SGCC CA PAC - WEST TELECOMM, INC.
661-468 PLDL AGDL CA 01 COMMUNICATIONS, INC. - CA
661-469 BUTTONWLLW CA PAC - WEST TELECOMM, INC.
661-472 BKFD MAIN CA T-MOBILE USA, INC.
661-475 EDWARDS CA SPRINT COMMUNICATIONS COMPANY, L.P. - CA
661-476 SNCA NHCS CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-477 BKFD MAIN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-478 PLDL PLDL CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-480 PLDL PLDL CA XO CALIFORNIA, INC.
661-487 BKFD MAIN CA COMMPARTNERS, LLC - CA
661-492 LANCASTER CA SPRINT SPECTRUM L.P.
661-496 BKFD MAIN CA BLUE LICENSES HOLDING, LLC
661-500 SNCA NHCS CA NETWORK SERVICES LLC
661-501 LAKEHUGHES CA NETWORK SERVICES LLC
661-505 SNCA NHCS CA LEVEL 3 COMMUNICATIONS, LLC - CA
661-507 PLDL PLDL CA AMERICAN MESSAGING (AM), INC.
661-510 SNCA NHCS CA NEXTEL COMMUNICATIONS, INC.
661-511 CA
661-512 TEHACHAPI CA COOK TELECOM, INC.
661-513 SNCA SGCC CA PACIFIC BELL
661-514 TAFT CA COOK TELECOM, INC.
661-515 SNCA NHCS CA NETWORK SERVICES LLC
661-516 WASCO CA COOK TELECOM, INC.
661-517 DELANO CA COOK TELECOM, INC.
661-524 LANCASTER CA LEVEL 3 COMMUNICATIONS, LLC - CA
661-526 PLDL PLDL CA SBC INTERNET SERVICES, INC.
661-528 ROSAMOND CA PAC - WEST TELECOMM, INC.
661-532 BIG BUTTE CA 01 COMMUNICATIONS, INC. - CA
661-533 PLDL PLDL CA PACIFIC BELL
661-536 GLENNVILLE CA VERIZON CALIFORNIA INC.-CA
661-537 PLDL PLDL CA PACIFIC BELL
661-538 PLDL PLDL CA PACIFIC BELL
661-540 PLDL PLDL CA PACIFIC BELL
661-542 MOJAVE CA NETWORK SERVICES LLC
661-543 ROSAMOND CA NETWORK SERVICES LLC
661-545 TEHACHAPI CA NETWORK SERVICES LLC
661-547 LANCASTER CA SPRINT SPECTRUM L.P.
661-548 CLFRNHTSPG CA VERIZON CALIFORNIA INC.-CA
661-549 BKFD MAIN CA BLUE LICENSES HOLDING, LLC
661-551 BERENDMESA CA PAC - WEST TELECOMM, INC.
661-552 EARLIMART CA 01 COMMUNICATIONS, INC. - CA
661-554 SNCA NHCS CA PAC - WEST TELECOMM, INC.
661-555 BKFD1176T CA PACIFIC BELL
661-557 ARVIN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-561 BKFD MAIN CA PACIFIC BELL
661-565 BKFD MAIN CA AT&T LOCAL
661-572 PLDL PLDL CA PACIFIC BELL
661-574 PLDL PLDL CA PACIFIC BELL
661-575 PLDL PLDL CA PACIFIC BELL
661-577 TAFT CA NEXTEL COMMUNICATIONS, INC.
661-578 BKFD MAIN CA LEVEL 3 COMMUNICATIONS, LLC - CA
661-579 LANCASTER CA 360NETWORKS (USA) INC. - CA
661-584 MOJAVE CA PAC - WEST TELECOMM, INC.
661-586 DELANO CA BLUE LICENSES HOLDING, LLC
661-587 BKFD NORTH CA PACIFIC BELL
661-588 BKFD NORTH CA PACIFIC BELL
661-589 BKFD NORTH CA PACIFIC BELL
661-591 GLENNVILLE CA PAC - WEST TELECOMM, INC.
661-599 BKFD SOUTH CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
661-600 SNCA NHCS CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
661-606 ARVIN CA PAC - WEST TELECOMM, INC.
661-607 SNCA NHCS CA PACIFIC BELL
661-609 LANCASTER CA BLUE LICENSES HOLDING, LLC
661-611 CA
661-613 EDWARDS CA LEVEL 3 COMMUNICATIONS, LLC - CA
661-615 BKFD NORTH CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
661-616 BKFD MAIN CA TIME WARNER TELECOM OF CALIFORNIA, L.P.