Local Calling Guide

Area code/prefix search

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

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-661 A Ontario CA LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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