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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: OSNKMIXGDS0

Remotes:

Switch Switch name Switch type
HBLKMIXGRS0  HUBBARD LAKE  GTR 
HRVLMIXGRS0  HARRISVILLE  GTR 
LNCLMIXGRS0  LINCOLN  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-471 A Ossineke MI 0695 FRONTIER NORTH, INC. - MI 344      
989-471 2 Ossineke MI 0695 FRONTIER NORTH, INC. - MI 344      
989-471 3 Ossineke MI 0695 FRONTIER NORTH, INC. - MI 344      
989-471 5 Ossineke MI 0695 FRONTIER NORTH, INC. - MI 344      
989-471 8 Ossineke MI 0695 FRONTIER NORTH, INC. - MI 344      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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