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: MNPLMIXGDS0

Remotes:

Switch Switch name Switch type
RMUSMIXGRS0  REMUS  RSC 
SHRDMIXGRS0  SHERIDAN  RSC 
SNTNMIXGRS0  STANTON  RSC 
STLSMIXGRS0  ST. LOUIS  RSC 
WDMNMIXGRS0  WEIDMAN  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-772 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-773 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-774 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-775 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-779 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-817 A Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      
989-817 0 Mount Pleasant MI 0695 FRONTIER NORTH, INC. - MI 344      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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