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: RIFLCOMADS0

Remotes:

Switch Switch name Switch type
MEKRCOMARS1  MEEKER  AXR 
NWCSCOMARS1  NEW CASTLE  AXR 
SILTCOMARS1  SILT  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-625 A Rifle CO 9636 QWEST CORPORATION 656      
970-665 A Rifle CO 9636 QWEST CORPORATION 656      
970-665 6 Rifle CO 9636 QWEST CORPORATION 656   2008-06-21   
970-665 7 Rifle CO 9636 QWEST CORPORATION 656   2008-06-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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