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: CTGYPQ139MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
579-513 A Châteauguay QC 464D FIBERNETICS CORPORATION 888 805010    
579-514 A Beauharnois QC 464D FIBERNETICS CORPORATION 888 805010    
579-515 A Saint-Chrysostome QC 464D FIBERNETICS CORPORATION 888 805010    
579-516 A Saint-Constant QC 464D FIBERNETICS CORPORATION 888 805010    
579-517 A Saint-Rémi QC 464D FIBERNETICS CORPORATION 888 805010    
579-518 A Sainte-Martine QC 464D FIBERNETICS CORPORATION 888 805010    
579-519 A Howick QC 464D FIBERNETICS CORPORATION 888 805010    
579-932 A Châteauguay QC 464D FIBERNETICS CORPORATION 888 805010    

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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