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: IMCYMIXHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-721 A Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 0 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 1 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 2 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 3 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 8 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-721 9 Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      
810-724 A Imlay City MI 0695 FRONTIER NORTH, INC. - MI 340      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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