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.

Yarker, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
343-286 A KGTNON08XMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805121    
343-595 A KGTNON08UMD  464D FIBERNETICS CORPORATION 888 805121    
613-377 A YRKRON01RS0  8051 BELL ONTARIO 888 805121    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.