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
906-238 A Watson (Marquette) MI WTMQMIXIRS2  342      
906-246 A Felch MI FLCHMIXIDS1  342      
906-255 A Michigamme Forest MI MHGFMIXIDS1  342      
906-272 A Fence River MI FNRVMIXIDS1  342      
906-288 A Donken MI DNKNMIXIDS1  342      
906-438 A Faithorn MI FTHRMIAADS1  342      
906-493 A Drummond Island MI DRISMIXIDS1  342      
906-544 A North Land O'Lakes MI NLNDMIXIDS2  342      
906-548 A Smokey Lakes MI SMLKMIXIRS0  342      
906-595 A Rexton MI RXTNMIAADS1  342      
906-639 A Carney MI CRNYMIABDS1  342      
906-654 A Scott Point MI SCPTMIXIRS2  342      
906-787 A Marenisco MI MRNSMIXIDS1  342      
906-788 A Wallace MI WLLCMIXADS1  342      
906-842 A Lake Gogebic MI LKGOMIXIRS1  342      

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

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