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: 514

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-514 A Martinez CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-514 0 Martinez CA   624H ONVOY SPECTRUM, LLC 722   2023-12-16   
925-514 1 Martinez CA   939H COMMIO, LLC 722   2024-01-28   
925-514 2 Martinez CA   939H COMMIO, LLC 722   2024-01-28   
925-514 3 Martinez CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-11-07   
925-514 8 Martinez CA   939H COMMIO, LLC 722   2024-01-28   
925-514 9 Martinez CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-11-27   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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