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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-504 A Redmond OR RDMDOR01DS0  9638 QWEST CORPORATION 672      
541-504 0 Redmond OR   9638 QWEST CORPORATION 672      
541-504 1 Redmond OR   9638 QWEST CORPORATION 672      
541-504 2 Redmond OR   9638 QWEST CORPORATION 672      
541-504 3 Redmond OR   9638 QWEST CORPORATION 672      
541-504 4 Redmond OR   9638 QWEST CORPORATION 672      
541-504 5 Redmond OR   9638 QWEST CORPORATION 672      
541-504 6 Redmond OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-10-24   
541-504 7 Redmond OR   9638 QWEST CORPORATION 672      
541-504 8 Redmond OR   9638 QWEST CORPORATION 672      
541-504 9 Redmond OR   9638 QWEST CORPORATION 672      

Last updated: Thu, 31 Jan 2019 11:20:40 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.