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
541-596 A O'Brien OR OBRNORXXRS1  3401 CITIZENS TELECOMM CO OF OR DBA FRONTIER COMM OF OR 670      
541-596 0 O'Brien OR   3401 CITIZENS TELECOMM CO OF OR DBA FRONTIER COMM OF OR 670      
541-596 2 O'Brien OR   3401 CITIZENS TELECOMM CO OF OR DBA FRONTIER COMM OF OR 670      
541-596 4 O'Brien OR   750E ONVOY, LLC - OR 670   2019-09-21   
541-596 5 O'Brien OR   826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-07   
541-596 6 O'Brien OR   750E ONVOY, LLC - OR 670   2019-09-21   
541-596 7 O'Brien OR   7575 CENTURYLINK COMMUNICATIONS LLC 670   2014-09-18   
541-596 8 O'Brien OR   3401 CITIZENS TELECOMM CO OF OR DBA FRONTIER COMM OF OR 670      
541-596 9 O'Brien OR   750E ONVOY, LLC - OR 670   2015-03-19   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.