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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-310 A Pendleton OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
541-310 0 Pendleton OR   6529 T-MOBILE USA, INC. 672      
541-310 1 Pendleton OR   6529 T-MOBILE USA, INC. 672      
541-310 2 Pendleton OR   6529 T-MOBILE USA, INC. 672   2007-09-28   
541-310 3 Pendleton OR   6529 T-MOBILE USA, INC. 672   2022-11-06   
541-310 4 Pendleton OR   624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-310 5 Pendleton OR   6349 UNITED STATES CELLULAR - OR 672   2021-09-30   
541-310 6 Pendleton OR   6529 T-MOBILE USA, INC. 672   2021-09-18   
541-310 7 Pendleton OR   6529 T-MOBILE USA, INC. 672   2005-01-19   
541-310 8 Pendleton OR   6529 T-MOBILE USA, INC. 672   2005-01-31   
541-310 9 Pendleton OR   6529 T-MOBILE USA, INC. 672      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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