title: List of Ontario area codes
text: # List of Ontario area codes
  
  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 with 683 and 705
  * 289: Niagara Region, Hamilton, Halton Region, Peel Region, York Region and Durham Region; overlays with 905 and 365
  * 343: Ottawa and surrounding Eastern Ontario; overlays with 613
  * 365: Niagara Region, Hamilton, Halton Region, Peel Region, York Region and Durham Region; 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
  * 683: Most of Northeastern and Central Ontario; overlays with 249 and 705
  * 705: Most of Northeastern and Central Ontario; overlays with 249 and 683
  * 807: Most of Northwestern Ontario
  * 905: Niagara Region, Hamilton, Halton Region, Peel Region, York Region and Durham Region; overlays with 289 and 365
  