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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-400 A Hood River OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
541-400 0 Hood River OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
541-400 1 Hood River OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2012-02-10   
541-400 4 Hood River OR   5562 METROPCS, INC. 672   2020-09-29   
541-400 7 Hood River OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2016-09-22   
541-400 8 Hood River OR   5562 METROPCS, INC. 672   2007-01-11   
541-400 9 Hood River OR   5562 METROPCS, INC. 672      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.