Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 541 [Rate centres in NPA 541] [Dial plan for NPA 541]

NXX: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-722 A South Harney OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
541-722 0 South Harney OR   624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-722 1 South Harney OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-722 2 South Harney OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-722 3 South Harney OR   750E ONVOY, LLC - OR 672   2019-01-24   
541-722 5 South Harney OR   750E ONVOY, LLC - OR 672   2019-09-21   
541-722 6 South Harney OR   508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-11-27   
541-722 7 South Harney OR   750E ONVOY, LLC - OR 672   2008-11-02   
541-722 8 South Harney OR   750E ONVOY, LLC - OR 672   2011-07-03   
541-722 9 South Harney OR   624H ONVOY SPECTRUM, LLC 672   2021-12-13   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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