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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-535 A Clackamas OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2026-06-15   
971-535 0 Clackamas OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2026-06-15   
971-535 1 Clackamas OR   750E ONVOY, LLC - OR 672   2026-08-01   
971-535 2 Clackamas OR   750E ONVOY, LLC - OR 672   2026-08-01   
971-535 3 Clackamas OR   750E ONVOY, LLC - OR 672   2026-08-01   
971-535 8 Clackamas OR   750E ONVOY, LLC - OR 672   2026-08-01   
971-535 9 Clackamas OR   750E ONVOY, LLC - OR 672   2026-08-01   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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