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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-656 A Hermiston OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
541-656 0 Hermiston OR   6529 T-MOBILE USA, INC. 672   2021-11-07   
541-656 1 Hermiston OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-656 2 Hermiston OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-656 3 Hermiston OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-656 4 Hermiston OR   750E ONVOY, LLC - OR 672   2012-12-15   
541-656 5 Hermiston OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2013-12-03   
541-656 6 Hermiston OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2013-03-10   
541-656 7 Hermiston OR   6529 T-MOBILE USA, INC. 672   2013-10-10   
541-656 8 Hermiston OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2012-10-19   
541-656 9 Hermiston OR   6529 T-MOBILE USA, INC. 672   2010-01-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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