Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 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   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.