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.
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Switch: OKFDWIXADS0

Remotes:

Switch Switch name Switch type
CMPTWIXARS0  CAMPBELLSPORT  RS 
EDENWIXCRS0  EDEN  RS 
LOMRWIXARS6  LOMIRA  RS 
THRSWIXARS4  THERESA  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-583 A Oakfield WI 0886 FRONTIER NORTH INC. - WI 356      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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