Local Calling Guide

Area code/prefix search

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

NXX: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-540 A Riverside CA ONTRCAXPXAY  6967 33 WIRELESS INC. 730      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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