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: SHPHMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-828 A Shepherd MI 0695 FRONTIER NORTH, INC. - MI 344      
989-828 4 Shepherd MI 0695 FRONTIER NORTH, INC. - MI 344      
989-828 5 Shepherd MI 0695 FRONTIER NORTH, INC. - MI 344      
989-828 6 Shepherd MI 0695 FRONTIER NORTH, INC. - MI 344      
989-828 7 Shepherd MI 0695 FRONTIER NORTH, INC. - MI 344      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.