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.
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Lestock, SK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
306-274 A LSTCSK01RS1  8091 SASKTEL 888 809105    
639-275 A LSTCSK02CM1  9868 SASKTEL 888 809105    
639-789 A LSTCSK010MD  6574 BELL CELLULAR, INC. 888 809105    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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