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: RSCYMIXJDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-685 A Rose City MI 0681 FRONTIER MIDSTATES, INC. - MI 344      
989-685 2 Rose City MI 0681 FRONTIER MIDSTATES, INC. - MI 344      
989-685 3 Rose City MI 0681 FRONTIER MIDSTATES, INC. - MI 344      
989-685 8 Rose City MI 0681 FRONTIER MIDSTATES, INC. - MI 344      
989-685 9 Rose City MI 0681 FRONTIER MIDSTATES, INC. - MI 344      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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