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Area Codes > 510 > Central Office Codes

Exchange Rate Center State Operating Company
510-310 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-311 CA
510-312 HAYWARD CA COOK TELECOM, INC.
510-313 HRCUL-RODE CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-314 HAYWARD CA SPRINT SPECTRUM L.P.
510-315 HAYWARD CA BROADWING COMMUNICATINS. LLC - CA
510-316 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-317 HAYWARD CA PACIFIC BELL
510-318 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-319 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-321 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-322 HRCUL-RODE CA MCIMETRO, ATS, INC.
510-323 RICHMOND CA XO CALIFORNIA, INC.
510-324 FRNK GRNLF CA PACIFIC BELL
510-325 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-326 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-327 HRCUL-RODE CA PAC - WEST TELECOMM, INC.
510-329 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-330 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-331 HAYWARD CA BLUE LICENSES HOLDING, LLC
510-332 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-333 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-334 RICHMOND CA BLUE LICENSES HOLDING, LLC
510-336 OKLD FRTVL CA PACIFIC BELL
510-337 OKLD ALMD CA PACIFIC BELL
510-338 OKLD MN-PD CA PACIFIC BELL
510-339 OKLD MN-PD CA PACIFIC BELL
510-341 CA
510-342 HAYWARD CA MPOWER COMMUNICATIONS CORP. - CA
510-343 OKLD TRNID CA MPOWER COMMUNICATIONS CORP. - CA
510-344 FRNK OLIVR CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
510-345 OKLD MN-PD CA ARCH WIRELESS HOLDINGS, INC.
510-346 OKLD TRNID CA PACIFIC BELL
510-347 OKLD TRNID CA PACIFIC BELL
510-348 OKLD MN-PD CA DIGITCOM SERVICES, INC.
510-349 RICHMOND CA COOK TELECOM, INC.
510-350 OKLD MN-PD CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-351 OKLD TRNID CA PACIFIC BELL
510-352 OKLD TRNID CA PACIFIC BELL
510-353 FRNK OLIVR CA PACIFIC BELL
510-354 FRNK OLIVR CA PACIFIC BELL
510-355 OKLD ALMD CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
510-356 OKLD BKLY CA PACIFIC BELL
510-357 OKLD TRNID CA PACIFIC BELL
510-360 FRNK OLIVR CA PACIFIC BELL
510-361 ELSBR-PINL CA ARCH WIRELESS HOLDINGS, INC.
510-363 HAYWARD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-364 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-366 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-367 RICHMOND CA BLUE LICENSES HOLDING, LLC
510-368 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-372 HAYWARD CA PAC - WEST TELECOMM, INC.
510-373 OKLD ALMD CA PAC - WEST TELECOMM, INC.
510-374 RICHMOND CA PACIFIC BELL
510-375 RICHMOND CA T-MOBILE USA, INC.
510-376 FRNK MAIN CA NEXTEL COMMUNICATIONS, INC.
510-377 FRNK MAIN CA NEXTEL COMMUNICATIONS, INC.
510-378 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-379 OKLD MN-PD CA TIME WARNER TELECOM OF CALIFORNIA, L.P.
510-380 OKLD MN-PD CA PAC - WEST TELECOMM, INC.
510-381 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-382 OKLD TRNID CA PACIFIC BELL
510-383 OKLD TRNID CA PACIFIC BELL
510-384 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-385 OKLD MN-PD CA NEXTEL COMMUNICATIONS, INC.
510-386 FRNK MAIN CA BLUE LICENSES HOLDING, LLC
510-387 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-388 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-389 OKLD MN-PD CA SAN DIEGO PAGING
510-390 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-391 OKLD MN-PD CA SAN DIEGO PAGING
510-392 OKLD MN-PD CA SAN DIEGO PAGING
510-393 OKLD MN-PD CA SPRINT SPECTRUM L.P.
510-394 OKLD TRNID CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-395 OKLD FRTVL CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
510-396 FRNK MAIN CA T-MOBILE USA, INC.
510-400 FRNK GRNLF CA XO CALIFORNIA, INC.
510-401 FRNK GRNLF CA MPOWER COMMUNICATIONS CORP. - CA
510-402 FRNK MAIN CA MPOWER COMMUNICATIONS CORP. - CA
510-403 FRNK OLIVR CA MPOWER COMMUNICATIONS CORP. - CA
510-404 FRNK GRNLF CA MCI WORLDCOM COMMUNICATIONS, INC., CA
510-405 FRNK MAIN CA PAC - WEST TELECOMM, INC.
510-406 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-407 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-409 OKLD MN-PD CA BLUE LICENSES HOLDING, LLC
510-410 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-411 CA
510-412 RICHMOND CA PACIFIC BELL
510-413 FRNK OLIVR CA PACIFIC BELL
510-414 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-415 HAYWARD CA T-MOBILE USA, INC.
510-416 OKLD BKLY CA NORTH COUNTY COMMUNICATIONS CORP. - CA
510-417 ELSBR-PINL CA T-MOBILE USA, INC.
510-418 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-419 OKLD MN-PD CA PACIFIC BELL
510-420 OKLD MN-PD CA PACIFIC BELL
510-421 OKLD MN-PD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
510-422 RICHMOND CA NETWORK SERVICES LLC
510-425 OKLD TRNID CA PACIFIC BELL
510-427 HAYWARD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA