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: FRTNNMMADS0

Remotes:

Switch Switch name Switch type
AZTCNM03RS1  AZTEC MAIN  5ER 
AZTCNMBLRS1  AZTEC BLOOMFIELD  5ER 
FRTNNMWERS1  FARMINGTON WEST  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
505-324 A Farmington NM 9636 QWEST CORPORATION 664      
505-325 A Farmington NM 9636 QWEST CORPORATION 664      
505-326 A Farmington NM 9636 QWEST CORPORATION 664      
505-327 A Farmington NM 9636 QWEST CORPORATION 664      
505-564 A Farmington NM 9636 QWEST CORPORATION 664      
505-566 A Farmington NM 9636 QWEST CORPORATION 664      
505-599 A Farmington NM 9636 QWEST CORPORATION 664      
505-609 2 Farmington NM 9636 QWEST CORPORATION 664   2008-01-11   
505-609 6 Farmington NM 9636 QWEST CORPORATION 664   2008-01-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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