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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-551 A Alamogordo NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-551 0 Alamogordo NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-551 1 Alamogordo NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2006-10-31   
575-551 2 Alamogordo NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2007-02-19   
575-551 3 Alamogordo NM ALBQNMXMDS0  7464 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NM 664   2006-12-26   
575-551 4 Alamogordo NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2007-04-09   
575-551 5 Alamogordo NM ALBQNMMADS7  8116 CYBER MESA COMPUTER SYSTEMS, INC. 664   2005-05-13   
575-551 6 Alamogordo NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664   2007-07-08   
575-551 7 Alamogordo NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2006-10-29   
575-551 8 Alamogordo NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2011-12-06   
575-551 9 Alamogordo NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2012-12-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.