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: 030G TIME WARNER CABLE INFORMATION SVCS (MICHIGAN), MI

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-352 A Menominee MI MRQTMIMNIMD  342      
906-352 4 Menominee MI MRQTMIMNIMD  342   2011-01-15   
906-424 A Menominee MI MRQTMIMNIMD  342      
906-424 4 Menominee MI MRQTMIMNIMD  342   2005-11-18   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.