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: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-308 A Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      
575-308 0 Artesia NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2004-11-14   
575-308 1 Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      
575-308 2 Artesia NM ALBRNMFE5MD  5562 METROPCS, INC. 664   2007-12-08   
575-308 3 Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      
575-308 4 Artesia NM   145J TERRA NOVA TELECOM INC. 664   2023-08-24   
575-308 5 Artesia NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2008-09-17   
575-308 6 Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2006-11-15   
575-308 7 Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2006-01-28   
575-308 8 Artesia NM ALBRNMFE5MD  5562 METROPCS, INC. 664   2004-11-16   
575-308 9 Artesia NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.