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: RDRVNMMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
575-754 A Red River NM 9636 QWEST CORPORATION 664      
575-754 1 Red River NM 9636 QWEST CORPORATION 664      
575-754 2 Red River NM 9636 QWEST CORPORATION 664      
575-754 3 Red River NM 9636 QWEST CORPORATION 664      
575-754 6 Red River NM 9636 QWEST CORPORATION 664      
575-754 9 Red River NM 9636 QWEST CORPORATION 664      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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