Local Calling Guide

Area code/prefix search

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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-228 A Beaverton OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
971-228 0 Beaverton OR   750E ONVOY, LLC - OR 672      
971-228 1 Beaverton OR   750E ONVOY, LLC - OR 672      
971-228 2 Beaverton OR   750E ONVOY, LLC - OR 672      
971-228 3 Beaverton OR   750E ONVOY, LLC - OR 672   2004-10-21   
971-228 4 Beaverton OR   750E ONVOY, LLC - OR 672   2004-10-21   
971-228 5 Beaverton OR   750E ONVOY, LLC - OR 672   2005-10-01   
971-228 6 Beaverton OR   750E ONVOY, LLC - OR 672   2005-02-17   
971-228 7 Beaverton OR   750E ONVOY, LLC - OR 672   2005-02-17   
971-228 8 Beaverton OR   318J COMCAST IP PHONE, LLC 672   2010-09-26   
971-228 9 Beaverton OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2013-02-05   

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

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