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.

Larder Lake, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-473 A   984C BELL CANADA - QC 888 822801    
705-638 A LRLKONXT0MD  6574 BELL CELLULAR, INC. 888 822801    
705-643 A LRLKONXTRS0  8228 NORTHERNTEL LIMITED PARTNERSHIP 888 822801    

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.