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Area Codes > 510 > Central Office Codes

Exchange Rate Center State Operating Company
510-543 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-544 OKLD TRNID CA PAC - WEST TELECOMM, INC.
510-545 OKLD ALMD CA XO CALIFORNIA, INC.
510-546 OKLD BKLY CA NETWORK SERVICES LLC
510-547 OKLD MN-PD CA PACIFIC BELL
510-548 OKLD BKLY CA PACIFIC BELL
510-549 OKLD BKLY CA PACIFIC BELL
510-550 OKLD MN-PD CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
510-551 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-552 FRNK MAIN CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-553 OKLD TRNID CA PACIFIC BELL
510-554 HAYWARD CA DIGITCOM SERVICES, INC.
510-555 OKLD0349T CA PACIFIC BELL
510-557 FRNK MAIN CA NEXTEL COMMUNICATIONS, INC.
510-558 OKLD BKLY CA PACIFIC BELL
510-559 OKLD BKLY CA PACIFIC BELL
510-561 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-562 OKLD TRNID CA PACIFIC BELL
510-563 OKLD TRNID CA PACIFIC BELL
510-564 OKLD TRNID CA MCIMETRO, ATS, INC.
510-565 FRNK MAIN CA T-MOBILE USA, INC.
510-566 HAYWARD CA MCI WORLDCOM COMMUNICATIONS, INC., CA
510-567 OKLD TRNID CA PACIFIC BELL
510-568 OKLD TRNID CA PACIFIC BELL
510-569 OKLD TRNID CA PACIFIC BELL
510-571 HAYWARD CA NETWORK SERVICES LLC
510-572 FRNK OLIVR CA PACIFIC BELL
510-573 FRNK OLIVR CA COMCAST PHONE OF CALIFORNIA, LLC - CA
510-574 FRNK MAIN CA PACIFIC BELL
510-575 OKLD MN-PD CA METRO PCS, INC.
510-576 HAYWARD CA XO CALIFORNIA, INC.
510-577 OKLD TRNID CA PACIFIC BELL
510-578 FRNK MAIN CA XO CALIFORNIA, INC.
510-579 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-580 FRNK OLIVR CA XO CALIFORNIA, INC.
510-581 HAYWARD CA PACIFIC BELL
510-582 HAYWARD CA PACIFIC BELL
510-583 HAYWARD CA PACIFIC BELL
510-584 HAYWARD CA MCIMETRO, ATS, INC.
510-585 FRNK MAIN CA MPOWER COMMUNICATIONS CORP. - CA
510-586 HAYWARD CA COMCAST PHONE OF CALIFORNIA, LLC - CA
510-587 OKLD MN-PD CA PACIFIC BELL
510-588 OKLD MN-PD CA PAC - WEST TELECOMM, INC.
510-589 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-590 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-591 HAYWARD CA NETWORK SERVICES LLC
510-592 HRCUL-RODE CA BROADWING COMMUNICATINS. LLC - CA
510-593 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-594 OKLD MN-PD CA PACIFIC BELL
510-595 OKLD MN-PD CA PACIFIC BELL
510-596 OKLD MN-PD CA PACIFIC BELL
510-597 OKLD MN-PD CA PACIFIC BELL
510-599 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-601 OKLD MN-PD CA PACIFIC BELL
510-604 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-607 FRNK OLIVR CA ARCH WIRELESS HOLDINGS, INC.
510-608 FRNK MAIN CA PACIFIC BELL
510-610 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-611 CA
510-612 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-613 OKLD TRNID CA PACIFIC BELL
510-614 OKLD TRNID CA PACIFIC BELL
510-615 OKLD TRNID CA PACIFIC BELL
510-618 OKLD TRNID CA PACIFIC BELL
510-619 RICHMOND CA BROADWING COMMUNICATINS. LLC - CA
510-620 RICHMOND CA PACIFIC BELL
510-621 RICHMOND CA MCIMETRO, ATS, INC.
510-622 OKLD MN-PD CA PACIFIC BELL
510-623 FRNK OLIVR CA PACIFIC BELL
510-624 FRNK OLIVR CA PACIFIC BELL
510-625 OKLD MN-PD CA PACIFIC BELL
510-627 OKLD MN-PD CA PACIFIC BELL
510-628 OKLD MN-PD CA PACIFIC BELL
510-629 OKLD ALMD CA LEVEL 3 COMMUNICATIONS, LLC - CA
510-630 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-632 OKLD TRNID CA PACIFIC BELL
510-633 OKLD TRNID CA PACIFIC BELL
510-635 OKLD TRNID CA PACIFIC BELL
510-636 OKLD TRNID CA PACIFIC BELL
510-637 OKLD MN-PD CA PACIFIC BELL
510-638 OKLD TRNID CA PACIFIC BELL
510-639 OKLD TRNID CA PACIFIC BELL
510-641 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-642 OKLD BKLY CA PACIFIC BELL
510-643 OKLD BKLY CA PACIFIC BELL
510-644 OKLD BKLY CA PACIFIC BELL
510-645 OKLD MN-PD CA PACIFIC BELL
510-647 OKLD BKLY CA PACIFIC BELL
510-648 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-649 OKLD BKLY CA PACIFIC BELL
510-651 FRNK OLIVR CA PACIFIC BELL
510-652 OKLD MN-PD CA PACIFIC BELL
510-653 OKLD MN-PD CA PACIFIC BELL
510-654 OKLD MN-PD CA PACIFIC BELL
510-655 OKLD MN-PD CA PACIFIC BELL
510-656 FRNK OLIVR CA PACIFIC BELL
510-657 FRNK OLIVR CA PACIFIC BELL
510-658 OKLD MN-PD CA PACIFIC BELL
510-659 FRNK OLIVR CA PACIFIC BELL
510-661 FRNK OLIVR CA PACIFIC BELL