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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-545 A Dayton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
971-545 0 Dayton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
971-545 1 Dayton OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2025-01-19   
971-545 2 Dayton OR   750E ONVOY, LLC - OR 672   2012-12-18   
971-545 3 Dayton OR   750E ONVOY, LLC - OR 672   2012-12-18   
971-545 4 Dayton OR   750E ONVOY, LLC - OR 672   2012-12-18   
971-545 5 Dayton OR   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2014-01-15   
971-545 6 Dayton OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2014-02-17   
971-545 7 Dayton OR   750E ONVOY, LLC - OR 672   2014-01-02   
971-545 8 Dayton OR   750E ONVOY, LLC - OR 672   2014-01-02   
971-545 9 Dayton OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2014-04-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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