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: RMHLON34CMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-366 A Newmarket ON 464D Fibernetics Corporation 888 805145    
289-378 A Markham ON 464D Fibernetics Corporation 888 805145    
289-379 A Richmond Hill ON 464D Fibernetics Corporation 888 805145    
289-577 A Unionville ON 464D Fibernetics Corporation 888 805145    
289-588 A Thornhill ON 464D Fibernetics Corporation 888 805145    
289-612 A Stouffville ON 464D Fibernetics Corporation 888 805145    
289-620 A Nobleton ON 464D Fibernetics Corporation 888 805145    
289-621 A King City ON 464D Fibernetics Corporation 888 805145    
289-622 A Woodbridge ON 464D Fibernetics Corporation 888 805145    
289-637 A Richmond Hill ON 464D Fibernetics Corporation 888 805145    
289-640 A Uxbridge ON 464D Fibernetics Corporation 888 805145    
289-648 A Aurora ON 464D Fibernetics Corporation 888 805145    
289-651 A Bolton ON 464D Fibernetics Corporation 888 805145    
289-818 A Markham ON 464D Fibernetics Corporation 888 805145    
289-857 A Thornhill ON 464D Fibernetics Corporation 888 805145    
289-963 A Maple ON 464D Fibernetics Corporation 888 805145    

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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