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: GRNBPQ887MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
579-737 A Saint-Césaire QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-738 A Dunham QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-739 A Eastman QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-786 A Knowlton QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-787 A Granby QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-788 A Mansonville QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-789 A Sutton QC 160G COMWAVE NETWORKS INC. - ON 888 805018    
579-797 A Waterloo QC 160G COMWAVE NETWORKS INC. - ON 888 805018    

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.