Local Calling Guide

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

NXX: 539

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-539 A Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670      
541-539 0 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2006-01-16   
541-539 1 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2010-12-31   
541-539 2 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-15   
541-539 3 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-15   
541-539 4 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-12-15   
541-539 5 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2014-10-24   
541-539 6 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2015-05-22   
541-539 7 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2014-02-02   
541-539 8 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2013-09-29   
541-539 9 Klamath Falls OR MDFDOR567MD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2012-06-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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