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Area Codes > 510 > Central Office Codes

Exchange Rate Center State Operating Company
510-428 OKLD MN-PD CA PACIFIC BELL
510-429 FRNK GRNLF CA PACIFIC BELL
510-430 OKLD TRNID CA PACIFIC BELL
510-431 FRNK GRNLF CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
510-432 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-433 OKLD MN-PD CA PACIFIC BELL
510-434 OKLD FRTVL CA PACIFIC BELL
510-435 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-436 OKLD FRTVL CA PACIFIC BELL
510-437 OKLD FRTVL CA PACIFIC BELL
510-438 FRNK OLIVR CA PACIFIC BELL
510-439 RICHMOND CA PAC - WEST TELECOMM, INC.
510-440 FRNK OLIVR CA PACIFIC BELL
510-441 FRNK GRNLF CA PACIFIC BELL
510-442 OKLD MN-PD CA AMERICAN MESSAGING (AM), INC.
510-444 OKLD MN-PD CA PACIFIC BELL
510-445 FRNK OLIVR CA PACIFIC BELL
510-446 OKLD MN-PD CA PACIFIC BELL
510-448 OKLD MN-PD CA AMERICAN MESSAGING (AM), INC.
510-449 FRNK MAIN CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-450 OKLD MN-PD CA PACIFIC BELL
510-451 OKLD MN-PD CA PACIFIC BELL
510-452 OKLD MN-PD CA PACIFIC BELL
510-453 FRNK MAIN CA NEXTEL COMMUNICATIONS, INC.
510-455 CROCKETT CA NEXTEL COMMUNICATIONS, INC.
510-456 FRNK MAIN CA U.S. TELEPACIFIC CORP. - CA
510-457 OKLD MN-PD CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-459 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-461 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-463 OKLD MN-PD CA MPOWER COMMUNICATIONS CORP. - CA
510-464 OKLD MN-PD CA PACIFIC BELL
510-465 OKLD MN-PD CA PACIFIC BELL
510-466 OKLD MN-PD CA PACIFIC BELL
510-467 OKLD FRTVL CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
510-468 FRNK MAIN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-469 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-471 FRNK GRNLF CA PACIFIC BELL
510-472 OKLD MN-PD CA METRO PCS, INC.
510-473 OKLD ALMD CA ALLEGIANCE TELECOM, INC. - CA
510-474 FRNK GRNLF CA MCIMETRO, ATS, INC.
510-475 FRNK GRNLF CA PACIFIC BELL
510-476 FRNK GRNLF CA PACIFIC BELL
510-477 FRNK GRNLF CA PACIFIC BELL
510-478 RICHMOND CA ALLEGIANCE TELECOM, INC. - CA
510-479 OKLD FRTVL CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-481 HAYWARD CA PACIFIC BELL
510-482 OKLD FRTVL CA PACIFIC BELL
510-483 OKLD TRNID CA PACIFIC BELL
510-484 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-485 OKLD FRTVL CA METRO PCS, INC.
510-486 OKLD BKLY CA PACIFIC BELL
510-487 FRNK GRNLF CA PACIFIC BELL
510-488 OKLD FRTVL CA MCIMETRO, ATS, INC.
510-489 FRNK GRNLF CA PACIFIC BELL
510-490 FRNK OLIVR CA PACIFIC BELL
510-491 FRNK GRNLF CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-492 FRNK OLIVR CA PACIFIC BELL
510-493 FRNK MAIN CA MCIMETRO, ATS, INC.
510-494 FRNK MAIN CA PACIFIC BELL
510-495 OKLD BKLY CA PACIFIC BELL
510-496 OKLD MN-PD CA MPOWER COMMUNICATIONS CORP. - CA
510-497 FRNK OLIVR CA MCIMETRO, ATS, INC.
510-498 FRNK OLIVR CA PACIFIC BELL
510-499 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-500 OKLD FRTVL CA XO CALIFORNIA, INC.
510-501 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-502 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-503 OKLD MN-PD CA AMERICAN MESSAGING (AM), INC.
510-504 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-505 FRNK MAIN CA PACIFIC BELL
510-506 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-507 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-508 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-511 CA
510-512 HAYWARD CA T-MOBILE USA, INC.
510-515 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-517 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-520 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-521 OKLD ALMD CA PACIFIC BELL
510-522 OKLD ALMD CA PACIFIC BELL
510-523 OKLD ALMD CA PACIFIC BELL
510-524 OKLD BKLY CA PACIFIC BELL
510-525 OKLD BKLY CA PACIFIC BELL
510-526 OKLD BKLY CA PACIFIC BELL
510-527 OKLD BKLY CA PACIFIC BELL
510-528 OKLD BKLY CA PACIFIC BELL
510-529 OKLD BKLY CA PACIFIC BELL
510-530 OKLD FRTVL CA PACIFIC BELL
510-531 OKLD FRTVL CA PACIFIC BELL
510-532 OKLD FRTVL CA PACIFIC BELL
510-533 OKLD FRTVL CA PACIFIC BELL
510-534 OKLD FRTVL CA PACIFIC BELL
510-535 OKLD FRTVL CA PACIFIC BELL
510-536 OKLD FRTVL CA PACIFIC BELL
510-537 HAYWARD CA PACIFIC BELL
510-538 HAYWARD CA PACIFIC BELL
510-539 OKLD MN-PD CA AMERICAN MESSAGING (AM), INC.
510-540 OKLD BKLY CA PACIFIC BELL
510-541 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-542 OKLD BKLY CA MCIMETRO, ATS, INC.