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.

Sainte-Justine, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
418-383 A SJSNPQXDRS1  8237 SOGETEL, INC. 888 823701    
581-380 A SJSNPQXD0MD  2243 TELUS COMMUNICATIONS (QUEBEC) INC. - QC 888 823701    
581-771 A BCVLPQXB2MD  8306 VIDEOTRON LTD. 888 823701    
581-934 A BCVLPQXB2MD  8306 VIDEOTRON LTD. 888 823701    

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.