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: BLNGMTMADS0

Remotes:

Switch Switch name Switch type
BRDGMT01RS1  BRIDGER  AXR 
CLMBMTMARS1  COLUMBUS  AXR 
FRMBMTMARS1  FROMBERG  AXR 
HRDNMTMARS1  HARDIN  AXR 
JOLTMTMARS1  JOLIET  AXR 
LARLMTMARS1  LAUREL  AXR 
PRCYMTMARS1  PARK CITY  AXR 
RBRTMTMARS1  ROBERTS  AXR 
RDLGMTMARS1  RED LODGE  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

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

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