Area Codes > 650 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
650-683 | WOODSIDE | CA | NEXTEL COMMUNICATIONS, INC. |
650-684 | MILLBRAE | CA | PAC - WEST TELECOMM, INC. |
650-685 | SAN MATEO | CA | PACIFIC BELL |
650-686 | MILLBRAE | CA | MCIMETRO, ATS, INC. |
650-687 | PALO ALTO | CA | MCI WORLDCOM COMMUNICATIONS, INC., CA |
650-688 | PALO ALTO | CA | PACIFIC BELL |
650-689 | MILLBRAE | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-690 | PALO ALTO | CA | AT&T LOCAL |
650-691 | MT VIEW | CA | PACIFIC BELL |
650-692 | MILLBRAE | CA | PACIFIC BELL |
650-693 | MT VIEW | CA | BROADWING COMMUNICATINS. LLC - CA |
650-694 | MT VIEW | CA | PACIFIC BELL |
650-696 | SAN MATEO | CA | PACIFIC BELL |
650-697 | MILLBRAE | CA | PACIFIC BELL |
650-700 | CA | ||
650-701 | REDWOOD CY | CA | PACIFIC BELL |
650-703 | SAN MATEO | CA | BLUE LICENSES HOLDING, LLC |
650-704 | PALO ALTO | CA | BLUE LICENSES HOLDING, LLC |
650-711 | CA | ||
650-712 | HALFMOONBY | CA | PACIFIC BELL |
650-713 | HALFMOONBY | CA | ALLEGIANCE TELECOM, INC. - CA |
650-714 | PALO ALTO | CA | BLUE LICENSES HOLDING, LLC |
650-716 | REDWOOD CY | CA | XO CALIFORNIA, INC. |
650-718 | MOSS BEACH | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-719 | MOSS BEACH | CA | ALLEGIANCE TELECOM, INC. - CA |
650-720 | HALFMOONBY | CA | MCIMETRO, ATS, INC. |
650-721 | PALO ALTO | CA | PACIFIC BELL |
650-722 | REDWOOD CY | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
650-723 | PALO ALTO | CA | PACIFIC BELL |
650-724 | PALO ALTO | CA | PACIFIC BELL |
650-725 | PALO ALTO | CA | PACIFIC BELL |
650-726 | HALFMOONBY | CA | PACIFIC BELL |
650-728 | MOSS BEACH | CA | PACIFIC BELL |
650-729 | HALFMOONBY | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-730 | SNCRL-BLMT | CA | ASTOUND BROADBAND, LLC - CA |
650-731 | SNFC JUNPR | CA | ASTOUND BROADBAND, LLC - CA |
650-732 | MILLBRAE | CA | ASTOUND BROADBAND, LLC - CA |
650-733 | PACIFICA | CA | ALLEGIANCE TELECOM, INC. - CA |
650-735 | PACIFICA | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-736 | PALO ALTO | CA | PACIFIC BELL |
650-737 | SSNFRNCSCO | CA | PACIFIC BELL |
650-738 | PACIFICA | CA | PACIFIC BELL |
650-739 | PALO ALTO | CA | PACIFIC BELL |
650-740 | SAN MATEO | CA | BLUE LICENSES HOLDING, LLC |
650-741 | SSNFRNCSCO | CA | PACIFIC BELL |
650-742 | SSNFRNCSCO | CA | PACIFIC BELL |
650-743 | REDWOOD CY | CA | BLUE LICENSES HOLDING, LLC |
650-745 | SSNFRNCSCO | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-746 | SNFC JUNPR | CA | PACIFIC BELL |
650-747 | LA HONDA | CA | PACIFIC BELL |
650-748 | LA HONDA | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-749 | LA HONDA | CA | ALLEGIANCE TELECOM, INC. - CA |
650-752 | PALO ALTO | CA | PACIFIC BELL |
650-754 | SSNFRNCSCO | CA | PACIFIC BELL |
650-755 | SNFC JUNPR | CA | PACIFIC BELL |
650-756 | SNFC JUNPR | CA | PACIFIC BELL |
650-757 | SNFC JUNPR | CA | PACIFIC BELL |
650-758 | SNFC JUNPR | CA | PACIFIC BELL |
650-759 | SAN MATEO | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
650-760 | REDWOOD CY | CA | ARCH WIRELESS HOLDINGS, INC. |
650-761 | SNFC JUNPR | CA | PACIFIC BELL |
650-762 | SAN MATEO | CA | PACIFIC BELL |
650-763 | SSNFRNCSCO | CA | MCIMETRO, ATS, INC. |
650-764 | CA | ||
650-766 | SAN MATEO | CA | BLUE LICENSES HOLDING, LLC |
650-767 | CA | PACIFIC BELL | |
650-769 | SNCRL-BLMT | CA | BROOKS FIBER COMMUNICATIONS - CALIFORNIA |
650-771 | REDWOOD CY | CA | METRO PCS, INC. |
650-773 | SAN MATEO | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
650-776 | PALO ALTO | CA | SPRINT SPECTRUM L.P. |
650-777 | MILLBRAE | CA | PACIFIC BELL |
650-779 | REDWOOD CY | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-780 | REDWOOD CY | CA | PACIFIC BELL |
650-784 | SSNFRNCSCO | CA | SPRINT SPECTRUM L.P. |
650-786 | REDWOOD CY | CA | PACIFIC BELL |
650-787 | SAN MATEO | CA | BLUE LICENSES HOLDING, LLC |
650-793 | MT VIEW | CA | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
650-794 | SSNFRNCSCO | CA | PACIFIC BELL |
650-795 | LA HONDA | CA | MCIMETRO, ATS, INC. |
650-796 | PALO ALTO | CA | BLUE LICENSES HOLDING, LLC |
650-798 | PALO ALTO | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-799 | PALO ALTO | CA | BLUE LICENSES HOLDING, LLC |
650-801 | SNCRL-BLMT | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-802 | SNCRL-BLMT | CA | PACIFIC BELL |
650-804 | PALO ALTO | CA | BLUE LICENSES HOLDING, LLC |
650-808 | SSNFRNCSCO | CA | PACIFIC BELL |
650-810 | MT VIEW | CA | U.S. TELEPACIFIC CORP. - CA |
650-811 | CA | ||
650-812 | PALO ALTO | CA | PACIFIC BELL |
650-813 | PALO ALTO | CA | PACIFIC BELL |
650-814 | PALO ALTO | CA | SPRINT SPECTRUM L.P. |
650-815 | PALO ALTO | CA | BROOKS FIBER COMMUNICATIONS - CALIFORNIA |
650-817 | REDWOOD CY | CA | PACIFIC BELL |
650-821 | SSNFRNCSCO | CA | TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO |
650-823 | LOS ALTOS | CA | BLUE LICENSES HOLDING, LLC |
650-825 | SSNFRNCSCO | CA | MCIMETRO, ATS, INC. |
650-826 | SSNFRNCSCO | CA | NEXTEL COMMUNICATIONS, INC. |
650-827 | SSNFRNCSCO | CA | PACIFIC BELL |
650-829 | SSNFRNCSCO | CA | PACIFIC BELL |
650-830 | SNCRL-BLMT | CA | LEVEL 3 COMMUNICATIONS, LLC - CA |