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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-552 A Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   
971-552 0 Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   
971-552 1 Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   
971-552 2 Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   
971-552 3 Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   
971-552 4 Clackamas OR   750E ONVOY, LLC - OR 672   2026-12-19   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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