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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Tribune, SK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
306-456 A TRBNSK01RS1  8091 SASKATCHEWAN TELEPHONE COMPANY 888 809108    
639-457 A TRBNSK01CM1  9868 SASK TEL 888 809108    
639-820 A TRBNSK010MD  6574 BELL CELLULAR, INC. 888 809108    
639-990 A TRBNSKAA0MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 809108    

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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