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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-483 A Concord CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-483 0 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2015-06-08   
925-483 1 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2015-06-08   
925-483 2 Concord CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2015-06-07   
925-483 3 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2015-06-08   
925-483 4 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2015-06-08   
925-483 5 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2015-06-08   
925-483 6 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-06-08   
925-483 7 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-12   
925-483 8 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-08   
925-483 9 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-17   
925-484 A Pleasanton CA PLTNCA12DS0  9740 PACIFIC BELL 722      
925-485 A Pleasanton CA PLTNCA12DS0  9740 PACIFIC BELL 722      
925-487 A Dublin-San Ramon CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-488 A Walnut Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-488 0 Walnut Creek CA SNJUCACL2MD  197D VONAGE AMERICA LLC 722   2020-06-11   
925-488 1 Walnut Creek CA SNJUCACL2MD  197D VONAGE AMERICA LLC 722   2020-06-11   
925-488 2 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-11-25   
925-488 3 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2020-10-26   
925-488 4 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-11-25   
925-488 5 Walnut Creek CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
925-488 6 Walnut Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-09-09   
925-488 7 Walnut Creek CA OKLECAZVGT0  5562 METROPCS, INC. 722   2019-08-24   
925-488 8 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-08-24   
925-488 9 Walnut Creek CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-08-23   
925-489 A Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-489 0 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-489 1 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-489 2 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-04-02   
925-489 3 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 4 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 5 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 6 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 7 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 8 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2020-12-17   
925-489 9 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2020-12-17   
925-490 A Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-490 0 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-21   
925-490 1 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-21   
925-490 2 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-07-21   
925-490 3 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-31   
925-490 4 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-31   
925-490 5 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-08-28   
925-490 6 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-08-28   
925-490 7 Concord CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-08-08   
925-490 8 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-08-28   
925-490 9 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-09-06   
925-491 A Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-491 0 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-01-29   
925-491 1 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-01-29   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.