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: MTRLPQ02XHY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
438-664 A Île-Perrot QC 383H INNSYSVOICE CORP - ON 888 805009    
438-665 A Lachine QC 383H INNSYSVOICE CORP - ON 888 805009    
438-666 A Montréal QC 383H INNSYSVOICE CORP - ON 888 805009    
438-667 A Pointe-Claire QC 383H INNSYSVOICE CORP - ON 888 805009    
438-668 A Roxboro QC 383H INNSYSVOICE CORP - ON 888 805009    
438-669 A Sainte-Geneviève QC 383H INNSYSVOICE CORP - ON 888 805009    
514-672 A Montréal QC 383H INNSYSVOICE CORP - ON 888 805009    

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

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