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.

Switch: SNJUCACLDS1

<< 1 2 3 4 5 6 7 8 9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-453 7 Livermore CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-02-15   
925-479 2 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
925-479 4 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
925-479 5 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
925-480 5 Bishop Ranch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
925-480 8 Bishop Ranch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-09-02   
925-488 A Walnut Creek CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-488 6 Walnut Creek CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-09-09   
925-488 9 Walnut Creek CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-08-23   
925-493 5 Livermore CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-05-17   
925-495 2 Livermore CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-02   
925-498 5 Bishop Ranch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
925-500 8 Martinez CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-502 8 Danville CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-10-19   
925-504 6 Pittsburg West CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-02-17   
925-524 4 Clayton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-06-14   
925-528 7 Orinda CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2018-11-16   
925-535 1 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 2 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 3 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 6 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-546 9 Walnut Creek CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-05-14   
925-557 1 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-574 0 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-04   
925-574 1 Dublin-San Ramon CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-04   
925-592 6 Moraga CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-592 8 Moraga CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-04-01   
925-596 7 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-603 4 Concord CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-05-26   
925-659 8 Bishop Ranch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-660 6 Pleasanton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-01-16   
925-665 8 Pittsburg CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-709 6 Pittsburg West CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-718 3 Danville CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-732 9 Antioch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-12   
925-789 4 Sunol CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-05-17   
925-789 6 Sunol CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-02-15   
925-799 7 Pittsburg CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-05-30   
925-809 6 East Contra Costa CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-812 9 Martinez CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-17   
925-835 2 Sunol CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-844 1 Clayton CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-964 8 Danville CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-02-15   
925-983 0 Bishop Ranch CA 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-23   

<< 1 2 3 4 5 6 7 8 9

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.