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.

OCN: 0689 CENTURYTEL OF UPPER MICHIGAN INC DBA CENTURYLINK

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-283 A Gulliver MI GLVRMIXGRS0  342      
906-297 A De Tour MI DETRMIXGRS0  342      
906-341 A Manistique MI MNTQMIXGDS0  342      
906-478 A Rudyard MI RDYRMIXGRS0  342      
906-484 A Cedarville MI CDVLMIXGRS0  342      
906-495 A Kinross MI KNRSMIXGRS0  342      
906-644 A Garden MI GRDNMIXGRS0  342      
906-647 A Pickford MI PKFDMIXGDS0  342      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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