Local Calling Guide

Area code/prefix search

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NPA: 949 [Rate centres in NPA 949] [Dial plan for NPA 949]

NXX: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
949-451 A Irvine CA IRVNCA01DS0  9740 PACIFIC BELL 730      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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