Local Calling Guide

Area code/prefix search

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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-542 A Beaverton OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-07-10   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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