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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Coderre, SK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
306-394 A CODRSK01RS1  8091 SASKTEL 888 809104    
639-547 A CODRSK02CM1  9868 SASKTEL 888 809104    

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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