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: HMTNON14IMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-424 A Binbrook ON 4727 ISP TELECOM, INC. 888 805103    
289-425 A Mount Hope ON 4727 ISP TELECOM, INC. 888 805103    
289-426 A Hamilton ON 4727 ISP TELECOM, INC. 888 805103    
289-445 A Ancaster ON 4727 ISP TELECOM, INC. 888 805103    
289-446 A Dundas ON 4727 ISP TELECOM, INC. 888 805103    
289-447 A Grimsby ON 4727 ISP TELECOM, INC. 888 805103    
289-448 A Stoney Creek ON 4727 ISP TELECOM, INC. 888 805103    
365-859 A Caledonia ON 4727 ISP TELECOM, INC. 888 805103    
365-860 A Winona ON 4727 ISP TELECOM, INC. 888 805103    
365-861 A Hagersville ON 4727 ISP TELECOM, INC. 888 805103    
365-862 A West Lincoln ON 4727 ISP TELECOM, INC. 888 805103    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.