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: HLCKMN03RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-614 A Humboldt MN 914F WIKSTROM TELEPHONE COMPANY, INC. - MN 636      
218-853 A Hallock MN 914F WIKSTROM TELEPHONE COMPANY, INC. - MN 636      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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