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: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-397 A The Dalles OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
541-397 0 The Dalles OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
541-397 2 The Dalles OR   6349 UNITED STATES CELLULAR - OR 672   2025-02-28   
541-397 3 The Dalles OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-10-08   
541-397 4 The Dalles OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-09   
541-397 5 The Dalles OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-09   
541-397 6 The Dalles OR THDLORXADMD  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2013-01-02   
541-397 7 The Dalles OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2021-11-29   
541-397 8 The Dalles OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2021-11-29   
541-397 9 The Dalles OR   6349 UNITED STATES CELLULAR - OR 672   2025-02-28   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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