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Area Codes > 650 > Central Office Codes

Exchange Rate Center State Operating Company
650-548 SAN MATEO CA PACIFIC BELL
650-549 REDWOOD CY CA MCIMETRO, ATS, INC.
650-550 SNFC JUNPR CA PACIFIC BELL
650-551 SNCRL-BLMT CA PACIFIC BELL
650-552 MILLBRAE CA PACIFIC BELL
650-553 SSNFRNCSCO CA PACIFIC BELL
650-554 SAN MATEO CA PACIFIC BELL
650-555 SNFC2143T CA PACIFIC BELL
650-556 REDWOOD CY CA PACIFIC BELL
650-557 PACIFICA CA PACIFIC BELL
650-558 SAN MATEO CA PACIFIC BELL
650-559 LOS ALTOS CA PACIFIC BELL
650-560 HALFMOONBY CA PACIFIC BELL
650-561 PALO ALTO CA PACIFIC BELL
650-562 REDWOOD CY CA PACIFIC BELL
650-563 MOSS BEACH CA PACIFIC BELL
650-564 MT VIEW CA PACIFIC BELL
650-565 PALO ALTO CA PACIFIC BELL
650-566 PALO ALTO CA PACIFIC BELL
650-567 MT VIEW CA PACIFIC BELL
650-568 REDWOOD CY CA PACIFIC BELL
650-569 REDWOOD CY CA PACIFIC BELL
650-570 SAN MATEO CA PACIFIC BELL
650-571 SAN MATEO CA PACIFIC BELL
650-572 SAN MATEO CA PACIFIC BELL
650-573 SAN MATEO CA PACIFIC BELL
650-574 SAN MATEO CA PACIFIC BELL
650-575 PALO ALTO CA BLUE LICENSES HOLDING, LLC
650-576 SAN MATEO CA BLUE LICENSES HOLDING, LLC
650-577 SAN MATEO CA PACIFIC BELL
650-578 SAN MATEO CA PACIFIC BELL
650-579 SAN MATEO CA PACIFIC BELL
650-580 SSNFRNCSCO CA BLUE LICENSES HOLDING, LLC
650-581 SAN MATEO CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-583 SSNFRNCSCO CA PACIFIC BELL
650-584 MT VIEW CA PACIFIC BELL
650-585 SNCRL-BLMT CA BROADWING COMMUNICATINS. LLC - CA
650-587 REDWOOD CY CA BROADWING COMMUNICATINS. LLC - CA
650-588 SSNFRNCSCO CA PACIFIC BELL
650-589 SSNFRNCSCO CA PACIFIC BELL
650-590 SNCRL-BLMT CA PAC - WEST TELECOMM, INC.
650-591 SNCRL-BLMT CA PACIFIC BELL
650-592 SNCRL-BLMT CA PACIFIC BELL
650-593 SNCRL-BLMT CA PACIFIC BELL
650-594 SNCRL-BLMT CA PACIFIC BELL
650-595 SNCRL-BLMT CA PACIFIC BELL
650-596 SNCRL-BLMT CA PACIFIC BELL
650-598 SNCRL-BLMT CA PACIFIC BELL
650-599 REDWOOD CY CA PACIFIC BELL
650-603 MT VIEW CA PACIFIC BELL
650-604 MT VIEW CA PACIFIC BELL
650-605 MT VIEW CA ALLEGIANCE TELECOM, INC. - CA
650-607 SNCRL-BLMT CA PACIFIC BELL
650-610 SNCRL-BLMT CA PACIFIC BELL
650-611 CA
650-612 SAN MATEO CA PACIFIC BELL
650-614 PALO ALTO CA PACIFIC BELL
650-615 SSNFRNCSCO CA PACIFIC BELL
650-616 SSNFRNCSCO CA PACIFIC BELL
650-617 PALO ALTO CA PACIFIC BELL
650-618 PALO ALTO CA PAC - WEST TELECOMM, INC.
650-619 SAN MATEO CA BLUE LICENSES HOLDING, LLC
650-620 SNCRL-BLMT CA PACIFIC BELL
650-621 PALO ALTO CA PACIFIC BELL
650-622 SNCRL-BLMT CA PACIFIC BELL
650-623 MT VIEW CA PACIFIC BELL
650-624 SSNFRNCSCO CA PACIFIC BELL
650-625 MT VIEW CA PACIFIC BELL
650-627 SAN MATEO CA PACIFIC BELL
650-628 SNCRL-BLMT CA MCIMETRO, ATS, INC.
650-630 PALO ALTO CA METRO PCS, INC.
650-631 SNCRL-BLMT CA PACIFIC BELL
650-632 SNCRL-BLMT CA PACIFIC BELL
650-633 SNCRL-BLMT CA PACIFIC BELL
650-634 SSNFRNCSCO CA PACIFIC BELL
650-635 SSNFRNCSCO CA PACIFIC BELL
650-636 SSNFRNCSCO CA ALLEGIANCE TELECOM, INC. - CA
650-637 SNCRL-BLMT CA PACIFIC BELL
650-638 SAN MATEO CA PACIFIC BELL
650-639 SAN MATEO CA COOK TELECOM, INC.
650-641 MT VIEW CA BROADWING COMMUNICATINS. LLC - CA
650-642 SAN MATEO CA NEXTEL COMMUNICATIONS, INC.
650-644 PALO ALTO CA PAC - WEST TELECOMM, INC.
650-645 SAN MATEO CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-646 PALO ALTO CA T-MOBILE USA, INC.
650-648 MILLBRAE CA ALLEGIANCE TELECOM, INC. - CA
650-649 REDWOOD CY CA PAC - WEST TELECOMM, INC.
650-651 MILLBRAE CA MCI WORLDCOM COMMUNICATIONS, INC., CA
650-652 MILLBRAE CA PACIFIC BELL
650-653 SAN MATEO CA MCI WORLDCOM COMMUNICATIONS, INC., CA
650-654 SNCRL-BLMT CA PACIFIC BELL
650-655 SAN MATEO CA PACIFIC BELL
650-662 LA HONDA CA 01 COMMUNICATIONS, INC. - CA
650-669 MT VIEW CA METRO PCS, INC.
650-670 REDWOOD CY CA NEXTEL COMMUNICATIONS, INC.
650-676 SSNFRNCSCO CA UTILITY TELEPHONE, INC. - CA
650-678 SAN MATEO CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-679 REDWOOD CY CA ASTOUND BROADBAND, LLC - CA
650-681 PALO ALTO CA 01 COMMUNICATIONS, INC. - CA
650-682 PALO ALTO CA THE TELEPHONE CONNECTION OF LOS ANGELES, INC.