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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-291 A Roswell NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664      
575-291 0 Roswell NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2011-10-03   
575-291 1 Roswell NM ALBQNMMAX4Y  206F ONVOY, LLC NM 664   2012-12-19   
575-291 2 Roswell NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2012-06-08   
575-291 3 Roswell NM ALBQNMMAX4Y  206F ONVOY, LLC NM 664   2012-12-19   
575-291 4 Roswell NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2013-02-22   
575-291 5 Roswell NM LSCRNMBH1MD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2013-06-08   
575-291 6 Roswell NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2013-11-11   
575-291 7 Roswell NM ALBQNMMAX4Y  206F ONVOY, LLC NM 664   2012-04-25   
575-291 8 Roswell NM ALBQNMMAX4Y  206F ONVOY, LLC NM 664   2013-09-15   
575-291 9 Roswell NM LSCRNMBH1MD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2013-05-01   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.