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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
541-279 A Madras OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
541-279 0 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2004-11-16   
541-279 1 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672      
541-279 2 Madras OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
541-279 3 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2007-01-11   
541-279 4 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2007-07-18   
541-279 5 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2007-08-03   
541-279 6 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2007-08-03   
541-279 7 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2006-01-13   
541-279 8 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672   2005-09-15   
541-279 9 Madras OR PTLJORIY0MD  5562 METROPCS, INC. 672      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.