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.

Dundalk, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-274 A OGVLON232MD  4878 BRAGG COMMUNICATIONS INC. 888 805117    
226-893 A DNDLON160MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805117    
382-388 A DNDLON16AMD  743B ROGERS COMMUNICATIONS CANADA INC. 888 805117    
519-923 A DNDLON16RS0  8051 BELL ONTARIO 888 805117    
548-269 A OGVLON233MD  464D FIBERNETICS CORPORATION 888 805117    

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.