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: GRNBCOMADS0

Remotes:

Switch Switch name Switch type
GDLKCOMARS1  GRAND LAKE  AXR 
HSSPCOMARS1  HOT SULPHUR SPRINGS  AXR 
KRNGCOMARS1  KREMMLING  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-887 A Granby CO 9636 QWEST CORPORATION 656      
970-887 0 Granby CO 9636 QWEST CORPORATION 656      
970-887 1 Granby CO 9636 QWEST CORPORATION 656      
970-887 2 Granby CO 9636 QWEST CORPORATION 656      
970-887 3 Granby CO 9636 QWEST CORPORATION 656      
970-887 4 Granby CO 9636 QWEST CORPORATION 656      
970-887 5 Granby CO 9636 QWEST CORPORATION 656      
970-887 7 Granby CO 9636 QWEST CORPORATION 656      
970-887 8 Granby CO 9636 QWEST CORPORATION 656      
970-887 9 Granby CO 9636 QWEST CORPORATION 656      

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

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