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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-318 A Hobbs NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      
575-318 0 Hobbs NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2011-06-23   
575-318 1 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664      
575-318 2 Hobbs NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2004-06-03   
575-318 3 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664      
575-318 4 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664      
575-318 5 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664   2005-11-03   
575-318 6 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664      
575-318 7 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664   2005-04-01   
575-318 8 Hobbs NM ALBRNMFE5MD  5562 METROPCS, INC. 664   2004-12-17   
575-318 9 Hobbs NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.