Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 945

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-945 A Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-945 0 Boardman OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-945 1 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-15   
541-945 2 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-15   
541-945 3 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-15   
541-945 4 Boardman OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-11-26   
541-945 5 Boardman OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672   2017-12-02   
541-945 6 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2018-04-29   
541-945 7 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2008-11-02   
541-945 8 Boardman OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-05-21   
541-945 9 Boardman OR PNTNOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-05-06   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.