Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 419

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-419 A Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-419 0 Concord CA   939H COMMIO, LLC 722   2024-01-28   
925-419 1 Concord CA   939H COMMIO, LLC 722   2024-01-28   
925-419 2 Concord CA   649C ONVOY, LLC - CA 722   2023-11-01   
925-419 3 Concord CA   649C ONVOY, LLC - CA 722   2023-11-01   
925-419 4 Concord CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2026-01-09   
925-419 5 Concord CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-12-29   
925-419 6 Concord CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-12-29   
925-419 7 Concord CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-12-29   
925-419 8 Concord CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-12-29   
925-419 9 Concord CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2023-12-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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