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: TCMSMIXGDS0

Remotes:

Switch Switch name Switch type
BRTNMIXGRS0  BRITTON  GTR 
CLTNMIXGRS0  CLINTON  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-423 A Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 A Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 0 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 1 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 3 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 4 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 5 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 6 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 7 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 8 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-424 9 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-815 A Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-815 0 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340      
517-815 5 Tecumseh MI 0695 FRONTIER NORTH, INC. - MI 340   2004-06-06   

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

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