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: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-912 A Bayard NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-912 0 Bayard NM   6010 NEW CINGULAR WIRELESS PCS, LLC 664   2011-04-05   
575-912 1 Bayard NM   123F BANDWIDTH.COM CLEC, LLC - NM 664   2012-08-12   
575-912 2 Bayard NM   206F ONVOY, LLC - NM 664   2013-12-22   
575-912 3 Bayard NM   318J COMCAST IP PHONE, LLC 664   2011-08-25   
575-912 4 Bayard NM   508J CENTURYLINK COMMUNICATIONS, LLC 664   2015-06-24   
575-912 5 Bayard NM   9636 QWEST CORPORATION 664   2010-05-07   
575-912 6 Bayard NM   206F ONVOY, LLC - NM 664   2013-12-22   
575-912 7 Bayard NM   206F ONVOY, LLC - NM 664   2007-05-04   
575-912 8 Bayard NM   206F ONVOY, LLC - NM 664   2011-10-30   
575-912 9 Bayard NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2016-03-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.