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: MLCYMTMADS0

Remotes:

Switch Switch name Switch type
FRSYMTMARS1  FORSYTH  AXR 
TRRYMTMARS1  TERRY  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-232 A Miles City MT 9636 QWEST CORPORATION 650      
406-233 A Miles City MT 9636 QWEST CORPORATION 650      
406-233 2 Miles City MT 9636 QWEST CORPORATION 650      
406-233 3 Miles City MT 9636 QWEST CORPORATION 650      
406-233 4 Miles City MT 9636 QWEST CORPORATION 650      
406-233 7 Miles City MT 9636 QWEST CORPORATION 650      

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

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