Local Calling Guide

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

NXX: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-634 A Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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