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: MTRLPQ335MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
450-238 A Chomedey QC 4727 ISP TELECOM, INC. 888 805008    
450-239 A Laval-Est QC 4727 ISP TELECOM, INC. 888 805008    
450-241 A Laval-Ouest QC 4727 ISP TELECOM, INC. 888 805008    
450-254 A Sainte-Rose QC 4727 ISP TELECOM, INC. 888 805008    
450-255 A Saint-Vincent-de-Paul QC 4727 ISP TELECOM, INC. 888 805008    
450-256 A Pont-Viau QC 4727 ISP TELECOM, INC. 888 805008    

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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