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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Yamaska, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
450-362 A SFRLPQ010MD  843D 9164-3122 Quebec inc 888 805016    
450-483 A SORLPQ011MD  8306 Videotron Ltd. 888 805016    
450-789 A YMSKPQ65RS1  8050 Bell Canada 888 805016    
579-205 A   2243 TELUS Quebec 888 805016    
579-891 A   4727 ISP Telecom 888 805016    

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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