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: OVIDMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-581 A Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-581 0 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344   2007-04-07   
989-834 A Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 0 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 1 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 2 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 5 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 6 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      
989-834 9 Ovid MI 0695 FRONTIER NORTH, INC. - MI 344      

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

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