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: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-526 A Redmond OR RDMDOR01DS0  9638 QWEST CORPORATION 672      
541-526 0 Redmond OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-02-21   
541-526 1 Redmond OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-10-24   
541-526 2 Redmond OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2021-12-13   
541-526 3 Redmond OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2006-02-28   
541-526 4 Redmond OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2013-01-26   
541-526 5 Redmond OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2006-07-03   
541-526 6 Redmond OR RDMDOR01DS0  9638 QWEST CORPORATION 672   2003-12-26   
541-526 7 Redmond OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2007-03-21   
541-526 8 Redmond OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2006-10-12   
541-526 9 Redmond OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2006-10-20   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.