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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-493 8 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
925-493 9 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-03-24   
925-494 A Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-494 0 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-15   
925-494 1 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-15   
925-494 2 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-15   
925-494 3 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-06-15   
925-494 4 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-10-28   
925-494 5 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-07-13   
925-494 6 Concord CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2017-03-05   
925-494 7 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-02-08   
925-494 8 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-06-07   
925-494 9 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-20   
925-495 A Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-495 0 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-10-01   
925-495 1 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-10-01   
925-495 2 Livermore CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-02   
925-495 3 Livermore CA OKLECAZV1MD  5562 METROPCS, INC. 722   2017-03-26   
925-495 4 Livermore CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2017-04-18   
925-495 5 Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2017-02-06   
925-495 6 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2017-04-17   
925-495 7 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-04-20   
925-495 8 Livermore CA   515J IP HORIZON LLC 722   2016-10-02   
925-495 9 Livermore CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-10-03   
925-496 A Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-496 0 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-02-25   
925-496 1 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-04-15   
925-496 2 Concord CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-08-13   
925-496 3 Concord CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-08-13   
925-496 4 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-10-02   
925-496 5 Concord CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-02-26   
925-496 6 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-10-17   
925-496 7 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-09-10   
925-496 8 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-05-30   
925-496 9 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-07-11   
925-497 A Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-498 A Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-498 0 Bishop Ranch CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
925-498 1 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-498 2 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-498 3 Bishop Ranch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-04-27   
925-498 4 Bishop Ranch CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
925-498 5 Bishop Ranch CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
925-498 6 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2006-12-15   
925-498 7 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2006-12-15   
925-498 8 Bishop Ranch CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-20   
925-498 9 Bishop Ranch CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-499 A Concord CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-499 0 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-04-16   
925-499 1 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-06-18   
925-499 2 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-03-19   
925-499 3 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-08-20   
925-499 4 Concord CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2018-01-25   
925-499 5 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-04-30   
925-499 6 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-02-04   
925-499 7 Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722   2018-01-26   
925-499 8 Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722   2018-01-26   
925-499 9 Concord CA OKLECAZV1MD  5562 METROPCS, INC. 722   2018-01-26   
925-500 A Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-500 0 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-05-22   
925-500 1 Martinez CA   515J IP HORIZON LLC 722      
925-500 2 Martinez CA   515J IP HORIZON LLC 722      
925-500 3 Martinez CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-10-04   
925-500 4 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-500 5 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
925-500 6 Martinez CA SNFCCA21XOZ  321J HD CARRIER LLC 722   2016-06-06   
925-500 7 Martinez CA SNFCCA21XOZ  321J HD CARRIER LLC 722   2016-06-06   
925-500 8 Martinez CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-500 9 Martinez CA SNFCCA21XOZ  321J HD CARRIER LLC 722   2016-06-06   
925-501 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-501 0 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-10-01   
925-501 1 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-10-01   
925-501 2 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-10-01   
925-501 3 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-10-01   
925-501 4 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-09-22   
925-501 5 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-11-12   
925-501 6 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-19   
925-501 7 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-08-19   
925-501 8 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-07-17   
925-501 9 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2022-07-17   
925-502 A Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-502 0 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-502 1 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-502 2 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-502 3 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-502 4 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-502 5 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-02-06   
925-502 6 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-02-06   
925-502 7 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-02-06   
925-502 8 Danville CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-10-19   
925-502 9 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-04   
925-503 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-503 0 Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-07-08   
925-503 1 Antioch CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-02   
925-503 2 Antioch CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2018-06-29   
925-503 3 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-11-02   
925-503 4 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-08-30   
925-503 5 Antioch CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
925-503 6 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-08-30   
925-503 7 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-02-21   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.