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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Osler, SK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
306-239 A OSLRSK01RS2  8091 SASKTEL 888 809102    
474-231 A SKTNSK01BMD  4727 ISP TELECOM, INC. 888 809102    
474-678 A SKTNSK01MMD  464D FIBERNETICS CORPORATION 888 809102    
639-370 A SKTNSK01QMD  081E DISTRIBUTEL COMMUNICATIONS LIMITED 888 809102    
639-437 A SKTNSK601MD  280H ACCESS COMMUNICATIONS COOP LIMITED SASKATCHEWAN 888 809102    
639-514 A SKTNSK01QMD  081E DISTRIBUTEL COMMUNICATIONS LIMITED 888 809102    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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