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: 505 [Rate centres in NPA 505] [Dial plan for NPA 505]

NXX: 560

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
505-560 A Fence Lake NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
505-560 0 Fence Lake NM   206F ONVOY, LLC - NM 664   2012-12-13   
505-560 1 Fence Lake NM   206F ONVOY, LLC - NM 664   2012-12-13   
505-560 2 Fence Lake NM   206F ONVOY, LLC - NM 664   2012-12-13   
505-560 3 Fence Lake NM   206F ONVOY, LLC - NM 664   2019-02-16   
505-560 4 Fence Lake NM   508J CENTURYLINK COMMUNICATIONS, LLC 664   2015-06-24   
505-560 5 Fence Lake NM   206F ONVOY, LLC - NM 664   2013-12-28   
505-560 6 Fence Lake NM   206F ONVOY, LLC - NM 664   2013-12-28   
505-560 7 Fence Lake NM   206F ONVOY, LLC - NM 664   2008-10-19   
505-560 8 Fence Lake NM   206F ONVOY, LLC - NM 664   2011-07-06   
505-560 9 Fence Lake NM   206F ONVOY, LLC - NM 664   2019-02-16   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.