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: FTLPCOMADS0

Remotes:

Switch Switch name Switch type
HDSNCOMARS1  HUDSON  AXR 
KNBGCOMARS1  KEENESBURG  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-857 A Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 0 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 1 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 2 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 3 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 4 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 6 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 7 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 8 Fort Lupton CO 9636 QWEST CORPORATION 656      
303-857 9 Fort Lupton CO 9636 QWEST CORPORATION 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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