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: ALBQNMMAXVY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-349 A Albuquerque NM 7421 AT&T - LOCAL 664      
505-349 2 Albuquerque NM 7421 AT&T - LOCAL 664      
505-349 6 Albuquerque NM 7421 AT&T - LOCAL 664      
505-349 7 Albuquerque NM 7421 AT&T - LOCAL 664      
505-349 9 Albuquerque NM 7421 AT&T - LOCAL 664      
505-475 A Albuquerque NM 7421 AT&T - LOCAL 664      
505-475 9 Albuquerque NM 7421 AT&T - LOCAL 664      
505-750 5 Albuquerque NM 7421 AT&T - LOCAL 664      
505-750 6 Albuquerque NM 7421 AT&T - LOCAL 664      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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