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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-827 A Bruce Crossing MI BRCRMIXJRS1  342      
906-883 A Mass MI MASSMIXIRS1  342      
906-884 A Ontonagon MI ONTNMIXIRS1  342      
906-885 A White Pine MI WHPIMIXIRS1  342      
906-886 A Rockland MI RKLDMIXIRS1  342      
906-988 A Ewen MI EWENMIXIRS1  342      

Last updated: Wed, 05 Feb 2020 02:15:44 UTC

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