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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-275 A Umatilla OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
541-275 0 Umatilla OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-07-08   
541-275 1 Umatilla OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2011-05-09   
541-275 2 Umatilla OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-275 3 Umatilla OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-275 4 Umatilla OR   750E ONVOY, LLC - OR 672   2013-01-26   
541-275 5 Umatilla OR   750E ONVOY, LLC - OR 672   2016-03-31   
541-275 6 Umatilla OR   750E ONVOY, LLC - OR 672   2016-03-31   
541-275 7 Umatilla OR   508J CENTURYLINK COMMUNICATIONS, LLC 672   2014-02-18   
541-275 8 Umatilla OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2014-10-12   
541-275 9 Umatilla OR   750E ONVOY, LLC - OR 672   2012-09-26   

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

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