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.

Switch: ALBQNMMAX7Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-651 6 Ruidoso Downs NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2017-04-03   
575-659 6 Lovington NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2019-06-24   
575-689 3 Carlsbad NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2015-03-13   
575-812 7 Alamogordo NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2012-02-24   
575-867 9 Anthony NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2023-09-08   
575-904 1 Cannon AFB NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2013-07-03   
575-964 6 Hobbs NM 450C TELEPORT COMMUNICATIONS AMERICA NM-LLC 664   2012-10-15   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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