Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-526 A Portland OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-526 0 Portland OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-526 1 Portland OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-526 2 Portland OR   750E ONVOY, LLC - OR 672   2025-12-26   

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

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