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.

La Martre, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
418-288 A LAMRPQXQRS1  8083 TELUS COMMUNICATIONS (QUEBEC) INC. - QC 888 808305    
581-393 A MATNPQXQ0MD  247F TELECOMMUNICATIONS XITTEL INC. - QC 888 808305    

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.