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: CLMBNEXGDS0

Remotes:

Switch Switch name Switch type
ALBNNEXGRS0  ALBION  GTR 
DNCNNEXHRS0  DUNCAN  GTR 
LNDSNEXHRS0  LINDSAY  GTR 
MONRNEXHRS0  MONROE  GTR 
PLCTNEXGRS0  PLATTE CENTER  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-562 A Columbus NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-564 A Columbus NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644      
402-835 1 Columbus NE 1128 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 644   2007-07-30   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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