Local Calling Guide

Area code/prefix search

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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 932

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-932 A Lakewood CA LSANCA05TMD  6630 SPOK, INC. 730      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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