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: WNDSON170MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
226-674 A Windsor ON 2776 MANAGED NETWORK SYSTEMS, INC. 888 805120    
226-675 A La Salle ON 2776 MANAGED NETWORK SYSTEMS, INC. 888 805120    
226-676 A Tecumseh ON 2776 MANAGED NETWORK SYSTEMS, INC. 888 805120    
226-683 A Emeryville ON 2776 MANAGED NETWORK SYSTEMS, INC. 888 805120    
226-684 A Belle River ON 2776 MANAGED NETWORK SYSTEMS, INC. 888 805120    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.