Local Calling Guide

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

NXX: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-290 A Riverside CA SHOKCA02KMD  6630 SPOK, INC. 730      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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