Local Calling Guide

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

NXX: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-851 A Klamath Falls OR KLFLOR54DS1  9638 QWEST CORPORATION 670      
541-851 0 Klamath Falls OR KLFLOR54DS1  9638 QWEST CORPORATION 670      
541-851 1 Klamath Falls OR CSBYORXXIMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 670   2011-02-27   
541-851 2 Klamath Falls OR MDFDOR33DS5  660C HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR 670   2009-08-13   
541-851 3 Klamath Falls OR MDFDOR33DS5  660C HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR 670   2011-12-10   
541-851 4 Klamath Falls OR KLFLOR54DS1  9638 QWEST CORPORATION 670   2003-11-18   
541-851 5 Klamath Falls OR KLFLOR54DS1  9638 QWEST CORPORATION 670      
541-851 6 Klamath Falls OR EUGNOR530MD  5562 METROPCS, INC. 670   2014-10-25   
541-851 7 Klamath Falls OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2016-03-21   
541-851 8 Klamath Falls OR KLFLOR54DS1  9638 QWEST CORPORATION 670      
541-851 9 Klamath Falls OR   792K CHARTER IP ENABLED SERVICES, LLC 670   2016-03-24   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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