Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-645 A Colton CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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