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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Dunham, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
450-284 A DNHMPQ011MD  8306 Videotron Ltd. 888 805018    
450-295 A DNHMPQ90RS1  8050 Bell Canada 888 805018    
450-814 A DNHMPQ010MD  8306 Videotron Ltd. 888 805018    
579-321 A   083E Distributel 888 805018    
579-738 A   160G Comwave Networks 888 805018    

Last updated: Fri, 17 May 2019 00:49:52 UTC

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