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: HMTNMTMADS0

Remotes:

Switch Switch name Switch type
CRVSMTMARS1  CORVALLIS  AXR 
DRBYMTMARS1  DARBY  AXR 
STVLMTMARS1  STEVENSVILLE  AXR 
VCTRMTMARS1  VICTOR  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-363 A Hamilton MT 9636 QWEST CORPORATION 648      
406-363 0 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 1 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 2 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 3 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 4 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 5 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 6 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 7 Hamilton MT 9636 QWEST CORPORATION 648      
406-363 9 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 A Hamilton MT 9636 QWEST CORPORATION 648      
406-375 0 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 1 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 2 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 4 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 6 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 7 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 8 Hamilton MT 9636 QWEST CORPORATION 648      
406-375 9 Hamilton MT 9636 QWEST CORPORATION 648      

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

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