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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-601 A Pittsburg West CA   649C ONVOY, LLC - CA 722   2026-11-05   
925-601 0 Pittsburg West CA   649C ONVOY, LLC - CA 722   2026-11-05   
925-601 1 Pittsburg West CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2026-11-28   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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