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: BMTNON13X1X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-297 A Port Credit ON 4727 ISP TELECOM, INC. 888 805136    
289-298 A Brampton ON 4727 ISP TELECOM, INC. 888 805136    
289-299 A Clarkson ON 4727 ISP TELECOM, INC. 888 805136    
289-444 A Cooksville ON 4727 ISP TELECOM, INC. 888 805136    
289-548 A Malton ON 4727 ISP TELECOM, INC. 888 805136    
289-999 A Streetsville ON 4727 ISP TELECOM, INC. 888 805136    
365-267 A Victoria ON 4727 ISP TELECOM, INC. 888 805136    
365-870 A Caledon East ON 4727 ISP TELECOM, INC. 888 805136    
365-871 A Castlemore ON 4727 ISP TELECOM, INC. 888 805136    
365-872 A Snelgrove ON 4727 ISP TELECOM, INC. 888 805136    

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

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