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: ALBQNMMAX9Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-201 5 Anthony NM 793K TWC IP ENABLED SERVICES, LLC 664   2007-01-19   
575-277 3 Las Cruces NM 793K TWC IP ENABLED SERVICES, LLC 664   2021-10-29   
575-332 A Santa Teresa NM 793K TWC IP ENABLED SERVICES, LLC 664      
575-332 4 Santa Teresa NM 793K TWC IP ENABLED SERVICES, LLC 664   2011-01-09   
575-332 9 Santa Teresa NM 793K TWC IP ENABLED SERVICES, LLC 664   2015-04-15   
575-338 1 La Mesa NM 793K TWC IP ENABLED SERVICES, LLC 664   2021-10-29   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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