Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

Block: A

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-504 A Pittsburg West CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-505 A Livermore CA SNJUCACL00Z  490J DISH WIRELESS, LLC 722      
925-506 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-507 A Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-508 A East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-509 A Bishop Ranch CA SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
925-510 A Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-512 A Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-513 A East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-514 A Martinez CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-515 A Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
925-516 A East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-517 A Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-518 A Livermore CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-519 A Pleasanton CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-520 A Pleasanton CA PLTNCA13DS0  9740 PACIFIC BELL 722      
925-521 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-522 A Antioch CA ANTCCA11DS0  9740 PACIFIC BELL 722      
925-523 A Pleasanton CA PLTNCA13DS0  9740 PACIFIC BELL 722      
925-524 A Clayton CA CYTNCA11DS0  9740 PACIFIC BELL 722      
925-525 A Livermore CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-526 A Pittsburg CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-527 A Walnut Creek CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-528 A Orinda CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-529 A Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-531 A Lafayette CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-01-27   
925-532 A Walnut Creek CA SNFCCAMKX9X  073H TELNYX LLC 722      
925-533 A Livermore CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-534 A Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-535 A Pleasanton CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-536 A Concord CA SNJUCACL3MD  073H TELNYX LLC 722      
925-537 A Livermore CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-538 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-03-11   
925-539 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-08-25   
925-540 A Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-541 A Livermore CA MLPTCAVPAMD  0051 SHELCOMM 722   2024-11-03   
925-542 A Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-543 A Bishop Ranch CA BSRNCA70DS0  9740 PACIFIC BELL 722      
925-544 A Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-05-31   
925-545 A Antioch CA   6529 T-MOBILE USA, INC. 722   2025-08-22   
925-546 A Walnut Creek CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-548 A Dublin-San Ramon CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-549 A Dublin-San Ramon CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-550 A Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-551 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-552 A Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-553 A Danville CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-556 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-557 A Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-558 A Dublin-San Ramon CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-560 A Dublin-San Ramon CA SNRMCA11DS1  9740 PACIFIC BELL 722      
925-565 A Antioch CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-566 A Concord CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-567 A Clayton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-568 A Sunol CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-570 A Dublin-San Ramon CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-571 A Bishop Ranch CA SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 722      
925-572 A Pleasanton CA SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 722      
925-573 A Pittsburg CA SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 722      
925-574 A Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-575 A Danville CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-577 A Dublin-San Ramon CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-578 A East Contra Costa CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-579 A Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-580 A Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-583 A Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-584 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-586 A Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-587 A Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-588 A Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-590 A Bishop Ranch CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722      
925-592 A Moraga CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-594 A Danville CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-595 A Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-596 A Pleasanton CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 A Pittsburg CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-598 A Pleasanton CA PLTNCA13DS0  9740 PACIFIC BELL 722      
925-599 A Livermore CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-600 A Pleasanton CA PLTNCA12DS0  9740 PACIFIC BELL 722      
925-602 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-603 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-605 A Livermore CA OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-606 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-608 A Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-609 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-621 A Pleasanton CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-623 A Pleasanton CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-625 A East Contra Costa CA OKLYCA11DS0  9740 PACIFIC BELL 722      
925-626 A East Contra Costa CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-627 A Walnut Creek CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-628 A Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-631 A Moraga CA MORGCA12DS0  9740 PACIFIC BELL 722      
925-633 A Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722      
925-634 A East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-635 A Pittsburg CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-639 A Walnut Creek CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-640 A Dublin-San Ramon CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-642 A Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-643 A Pittsburg West CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-644 A Concord CA SNJUCACL7MD  965H FRACTEL, LLC 722      

<< 1 2 3 4 5 6 7 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.