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: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-525 A Beaverton OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-525 0 Beaverton OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-525 1 Beaverton OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-525 2 Beaverton OR   750E ONVOY, LLC - OR 672   2025-12-26   
971-525 3 Beaverton OR   750E ONVOY, LLC - OR 672   2025-12-26   

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

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