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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SLAMPQ205MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
450-259 A Saint-Lambert QC 4727 ISP TELECOM, INC. 888 805012    
450-262 A Beloeil QC 4727 ISP TELECOM, INC. 888 805012    
450-274 A Boucherville QC 4727 ISP TELECOM, INC. 888 805012    
450-279 A Chambly QC 4727 ISP TELECOM, INC. 888 805012    
450-282 A Laprairie QC 4727 ISP TELECOM, INC. 888 805012    
450-283 A Saint-Bruno QC 4727 ISP TELECOM, INC. 888 805012    
450-285 A Varennes QC 4727 ISP TELECOM, INC. 888 805012    
450-286 A Longueuil QC 4727 ISP TELECOM, INC. 888 805012    
450-324 A Sainte-Julie-de-Verchères QC 4727 ISP TELECOM, INC. 888 805012    
579-330 A Marieville QC 4727 ISP TELECOM, INC. 888 805012    
579-331 A Verchères QC 4727 ISP TELECOM, INC. 888 805012    
579-701 A Saint-Marc QC 4727 ISP TELECOM, INC. 888 805012    

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

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