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: MRQTMIMNIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-352 A Menominee MI 030G TIME WARNER CABLE INFORMATION SVCS (MICHIGAN), MI 342      
906-352 4 Menominee MI 030G TIME WARNER CABLE INFORMATION SVCS (MICHIGAN), MI 342   2011-01-15   
906-424 A Menominee MI 030G TIME WARNER CABLE INFORMATION SVCS (MICHIGAN), MI 342      
906-424 4 Menominee MI 030G TIME WARNER CABLE INFORMATION SVCS (MICHIGAN), MI 342   2005-11-18   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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