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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-238 A Klamath Falls OR EUGNOR53QMD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 670      
541-238 0 Klamath Falls OR EUGNOR53QMD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 670      
541-238 1 Klamath Falls OR EUGNOR53QMD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 670      
541-238 2 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2010-06-19   
541-238 3 Klamath Falls OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2011-09-03   
541-238 4 Klamath Falls OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2013-03-11   
541-238 5 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2011-09-24   
541-238 6 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2012-04-23   
541-238 7 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2014-08-18   
541-238 8 Klamath Falls OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2015-05-22   
541-238 9 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2012-09-26   

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

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