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: ALBQNMMAXWX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-340 A Albuquerque NM 473E ZIPPYTECH OF NEW MEXICO INCORPORATED - NM 664      
575-639 5 Las Cruces NM 473E ZIPPYTECH OF NEW MEXICO INCORPORATED - NM 664   2012-11-23   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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