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: ALBRNMJWNMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-548 A Albuquerque NM 732J NUSO, LLC 664      
505-548 1 Albuquerque NM 732J NUSO, LLC 664   2023-04-17   
505-597 8 Albuquerque NM 732J NUSO, LLC 664   2023-12-22   
505-597 9 Albuquerque NM 732J NUSO, LLC 664   2023-12-22   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.