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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-587 A Portland OR   883K AHOI LLC 672   2026-05-09   
971-587 0 Portland OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2026-06-06   
971-587 1 Portland OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2026-06-06   
971-587 8 Portland OR   883K AHOI LLC 672   2026-05-09   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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