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: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-446 A Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-446 0 Alamogordo NM ALBQNMMAX4Y  206F ONVOY, LLC NM 664   2012-12-15   
575-446 1 Alamogordo NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2005-04-25   
575-446 2 Alamogordo NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664   2008-12-08   
575-446 3 Alamogordo NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2010-09-06   
575-446 4 Alamogordo NM ALBQNMMAXLX  5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2002-07-31   
575-446 5 Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-446 6 Alamogordo NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2007-07-26   
575-446 7 Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-446 8 Alamogordo NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-446 9 Alamogordo NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.