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: VYFDPQ472MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
450-309 A Hudson QC 4727 ISP TELECOM, INC. 888 805004    
450-316 A Coteau-du-Lac QC 4727 ISP TELECOM, INC. 888 805004    
450-317 A Les Cèdres QC 4727 ISP TELECOM, INC. 888 805004    
450-318 A Rigaud QC 4727 ISP TELECOM, INC. 888 805004    
450-319 A Vaudreuil QC 4727 ISP TELECOM, INC. 888 805004    
450-322 A Valleyfield QC 4727 ISP TELECOM, INC. 888 805004    
450-391 A Sainte-Marthe QC 4727 ISP TELECOM, INC. 888 805004    
450-605 A Rivière-Beaudette QC 4727 ISP TELECOM, INC. 888 805004    
450-606 A Saint-Clet QC 4727 ISP TELECOM, INC. 888 805004    
450-609 A Sainte-Justine-de-Newton QC 4727 ISP TELECOM, INC. 888 805004    
450-620 A Saint-Polycarpe QC 4727 ISP TELECOM, INC. 888 805004    
450-913 A Coteau-Landing QC 4727 ISP TELECOM, INC. 888 805004    
579-395 A Huntingdon QC 4727 ISP TELECOM, INC. 888 805004    
579-396 A Franklin Centre QC 4727 ISP TELECOM, INC. 888 805004    
579-397 A Ormstown QC 4727 ISP TELECOM, INC. 888 805004    

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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