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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-313 A Oakridge OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
541-313 0 Oakridge OR   624H ONVOY SPECTRUM, LLC 670   2021-12-13   
541-313 1 Oakridge OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-313 2 Oakridge OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-313 3 Oakridge OR   750E ONVOY, LLC - OR 670   2012-12-15   
541-313 4 Oakridge OR   750E ONVOY, LLC - OR 670   2013-01-22   
541-313 5 Oakridge OR   750E ONVOY, LLC - OR 670   2013-01-22   
541-313 6 Oakridge OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2013-09-14   
541-313 7 Oakridge OR   508J CENTURYLINK COMMUNICATIONS, LLC 670   2014-04-10   
541-313 8 Oakridge OR   076F BANDWIDTH.COM CLEC, LLC - OR 670   2015-05-28   
541-313 9 Oakridge OR   750E ONVOY, LLC - OR 670   2012-09-26   

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

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