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: CMPTWIXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-533 A Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356      
920-533 1 Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356   2006-03-25   
920-533 3 Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356      
920-533 4 Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356      
920-533 5 Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356      
920-533 8 Campbellsport WI 0886 FRONTIER NORTH INC. - WI 356      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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