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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-309 A Willamina OR THDLORXADMD  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
971-309 0 Willamina OR   073H TELNYX LLC 672   2023-02-11   
971-309 1 Willamina OR   750E ONVOY, LLC - OR 672   2021-03-05   
971-309 2 Willamina OR   750E ONVOY, LLC - OR 672   2021-03-05   
971-309 3 Willamina OR   750E ONVOY, LLC - OR 672   2018-12-06   
971-309 5 Willamina OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2018-12-14   
971-309 6 Willamina OR   7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2013-03-11   
971-309 7 Willamina OR   508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-09   
971-309 8 Willamina OR   750E ONVOY, LLC - OR 672   2020-08-14   
971-309 9 Willamina OR   145J TERRA NOVA TELECOM INC. 672   2025-07-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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