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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-999 3 Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
971-999 4 Yamhill OR THDLORXADMD  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2019-02-18   
971-999 5 Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
971-999 6 Yamhill OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2014-02-19   
971-999 7 Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2013-01-17   
971-999 8 Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2013-01-17   
971-999 9 Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2013-01-18   

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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