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.

Theodore, SK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
306-647 A THDRSK02RS1  8091 SaskTel 888 809105    
639-414 A   9868 SaskTel Mobility 888 809105    

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.