Ontario Area Codes

what are Ontario's area codes located ?

This is a list of area codes in the province of Ontario:

  • 226: London, Kitchener–Waterloo, Windsor, and most of Southwestern Ontario; overlays with 519 and 548
  • 249: Most of Northeastern and Central Ontario; overlays 705
  • 289: The Niagara Peninsula, Hamilton, Oshawa, and the suburban Greater Toronto Area; overlays with 905 and 365
  • 343: Ottawa and surrounding Eastern Ontario; overlays with 613
  • 365: The Niagara Peninsula, Hamilton, Oshawa, and the suburban Greater Toronto Area; overlays with 905 and 289
  • 416: Toronto; overlays with 647 and 437
  • 437: Toronto; overlays with 647 and 416
  • 519: London, Kitchener–Waterloo, Windsor, and most of Southwestern Ontario; overlays with 226 and 548
  • 548: London, Kitchener–Waterloo, Windsor, and most of Southwestern Ontario; overlays with 519 and 226
  • 613: Ottawa and surrounding Eastern Ontario; overlays with 343
  • 647: Toronto; overlays with 416 and 437
  • 705: Most of Northeastern and Central Ontario; overlays with 249
  • 807: Most of Northwestern Ontario
  • 905: The Niagara Peninsula, Hamilton, Oshawa, and the suburban Greater Toronto Area; overlays with 289 and 365

Area code 519


Area code 613


Area code 905


Area code 705


Area code 416


Area code 807


Area code 289


Area code 647


Area code 888


Area code 226


Area code 866