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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Contrecoeur, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
450-392 A CNTRPQXTRS1  8239 TELEBEC LIMITED 888 823907    
450-401 A CNTRPQ012MD  8306 VIDEOTRON LTD. 888 823907    
450-573 A CNTRPQ012MD  8306 VIDEOTRON LTD. 888 823907    
450-587 A CNTRPQXTRS1  8239 TELEBEC LIMITED 888 823907    
579-360 A CNTRPQ012MD  8306 VIDEOTRON LTD. 888 823907    
579-526 A CNTRPQ04AMD  984C BELL CANADA - QC 888 823907    
579-757 A CNTRPQXT0MD  8239 TELEBEC LIMITED 888 823907    
579-825 A CNTRPQXT2MD  2243 TELUS COMMUNICATIONS (QUEBEC) INC. - QC 888 823907    

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

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