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: BRTNMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-451 A Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 2 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 4 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 5 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 8 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 9 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.