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Area Codes > 650 > Central Office Codes

Exchange Rate Center State Operating Company
650-306 REDWOOD CY CA PACIFIC BELL
650-307 MILLBRAE CA T-MOBILE USA, INC.
650-311 CA
650-312 SAN MATEO CA PACIFIC BELL
650-314 MT VIEW CA PACIFIC BELL
650-315 SAN MATEO CA SPRINT SPECTRUM L.P.
650-316 MT VIEW CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-317 MT VIEW CA ARCH WIRELESS HOLDINGS, INC.
650-318 MT VIEW CA PACIFIC BELL
650-319 PALO ALTO CA ALLEGIANCE TELECOM, INC. - CA
650-320 PALO ALTO CA PACIFIC BELL
650-321 PALO ALTO CA PACIFIC BELL
650-322 PALO ALTO CA PACIFIC BELL
650-323 PALO ALTO CA PACIFIC BELL
650-324 PALO ALTO CA PACIFIC BELL
650-325 PALO ALTO CA PACIFIC BELL
650-326 PALO ALTO CA PACIFIC BELL
650-327 PALO ALTO CA PACIFIC BELL
650-328 PALO ALTO CA PACIFIC BELL
650-329 PALO ALTO CA PACIFIC BELL
650-330 PALO ALTO CA PACIFIC BELL
650-331 PALO ALTO CA BROADWING COMMUNICATINS. LLC - CA
650-332 WOODSIDE CA PAC - WEST TELECOMM, INC.
650-333 SSNFRNCSCO CA NEXTEL COMMUNICATIONS, INC.
650-334 PESCADERO CA NETWORK SERVICES LLC
650-335 MT VIEW CA PACIFIC BELL
650-336 MT VIEW CA PACIFIC BELL
650-337 PESCADERO CA 01 COMMUNICATIONS, INC. - CA
650-339 SNCRL-BLMT CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-340 SAN MATEO CA PACIFIC BELL
650-341 SAN MATEO CA PACIFIC BELL
650-342 SAN MATEO CA PACIFIC BELL
650-343 SAN MATEO CA PACIFIC BELL
650-344 SAN MATEO CA PACIFIC BELL
650-345 SAN MATEO CA PACIFIC BELL
650-346 SAN MATEO CA SPRINT SPECTRUM L.P.
650-347 SAN MATEO CA PACIFIC BELL
650-348 SAN MATEO CA PACIFIC BELL
650-349 SAN MATEO CA PACIFIC BELL
650-350 SAN MATEO CA PACIFIC BELL
650-351 SSNFRNCSCO CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
650-352 PALO ALTO CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
650-353 PALO ALTO CA LEVEL 3 COMMUNICATIONS, LLC - CA
650-354 PALO ALTO CA PACIFIC BELL
650-355 PACIFICA CA PACIFIC BELL
650-356 SAN MATEO CA PACIFIC BELL
650-357 SAN MATEO CA PACIFIC BELL
650-358 SAN MATEO CA PACIFIC BELL
650-359 PACIFICA CA PACIFIC BELL
650-360 SSNFRNCSCO CA PAC - WEST TELECOMM, INC.
650-361 REDWOOD CY CA PACIFIC BELL
650-362 REDWOOD CY CA ALLEGIANCE TELECOM, INC. - CA
650-363 REDWOOD CY CA PACIFIC BELL
650-364 REDWOOD CY CA PACIFIC BELL
650-365 REDWOOD CY CA PACIFIC BELL
650-366 REDWOOD CY CA PACIFIC BELL
650-367 REDWOOD CY CA PACIFIC BELL
650-368 REDWOOD CY CA PACIFIC BELL
650-369 REDWOOD CY CA PACIFIC BELL
650-370 PALO ALTO CA COOK TELECOM, INC.
650-371 SAN MATEO CA ARCH WIRELESS HOLDINGS, INC.
650-372 SAN MATEO CA PACIFIC BELL
650-373 SAN MATEO CA PACIFIC BELL
650-374 REDWOOD CY CA COOK TELECOM, INC.
650-375 SAN MATEO CA PACIFIC BELL
650-376 SAN MATEO CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
650-377 SAN MATEO CA PACIFIC BELL
650-378 SAN MATEO CA PACIFIC BELL
650-380 PALO ALTO CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-381 REDWOOD CY CA PACIFIC BELL
650-382 SSNFRNCSCO CA NETWORK SERVICES LLC
650-383 LOS ALTOS CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-384 PALO ALTO CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-385 REDWOOD CY CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-386 MT VIEW CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
650-387 PALO ALTO CA BLUE LICENSES HOLDING, LLC
650-388 PALO ALTO CA MCIMETRO, ATS, INC.
650-389 SAN MATEO CA MCIMETRO, ATS, INC.
650-390 MT VIEW CA PACIFIC BELL
650-391 PALO ALTO CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
650-392 SSNFRNCSCO CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
650-393 SAN MATEO CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
650-394 SNCRL-BLMT CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
650-395 REDWOOD CY CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
650-396 MT VIEW CA T-MOBILE USA, INC.
650-397 LOS ALTOS CA 01 COMMUNICATIONS, INC. - CA
650-398 PALO ALTO CA NETWORK SERVICES LLC
650-399 REDWOOD CY CA 01 COMMUNICATIONS, INC. - CA
650-400 REDWOOD CY CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
650-401 SAN MATEO CA PACIFIC BELL
650-403 SAN MATEO CA ALLEGIANCE TELECOM, INC. - CA
650-404 MT VIEW CA PACIFIC BELL
650-405 PACIFICA CA NETWORK SERVICES LLC
650-406 MT VIEW CA NETWORK SERVICES LLC
650-407 MOSS BEACH CA NETWORK SERVICES LLC
650-408 SAN MATEO CA NETWORK SERVICES LLC
650-409 MILLBRAE CA MPOWER COMMUNICATIONS CORP. - CA
650-411 CA
650-412 SNCRL-BLMT CA ALLEGIANCE TELECOM, INC. - CA
650-413 SNCRL-BLMT CA PACIFIC BELL