Local Calling Guide

Area code/prefix search

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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-938 A Walnut Creek CA WNCKCA11DS0  9740 PACIFIC BELL 722      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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