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 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
• 705: Most of Northeastern and Central Ontario; overlays with 249
• 807: Most of Northwestern Ontario
• 905: Niagara Region, Hamilton, Halton Region, Peel Region, York Region and Durham Region; overlays with 289 and 365

References[]

See also[]

• Telephone numbers in Canada
• Canadian Numbering Administration Consortium