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.

Cardinal, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
343-250 A CRDNON150MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805130    
343-352 A   4727 ISP TELECOM, INC. 888 805130    
613-655 A CRDNON15XMD  464D FIBERNETICS CORPORATION - ON 888 805130    
613-657 A CRDNON15RS0  8051 BELL ONTARIO 888 805130    
613-671 A BKVLON453MD  4878 BRAGG COMMUNICATIONS INC. 888 805130    

Last updated: Mon, 24 May 2021 01:28:43 UTC

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