Local Calling Guide

Area code/prefix search

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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-607 A Claremont-San Dimas CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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