Ontario area codes
Ontario has 19 area codes. Find the one you need by city below, or look up a number.
| Area code | Main cities | Time zone |
|---|---|---|
| 226 | London | Eastern Time |
| 249 | Greater Sudbury, Sault Ste. Marie, Barrie and North Bay (overlay) | Eastern Time |
| 289 | Hamilton, Brampton, Burlington and Niagara Falls | Eastern Time |
| 343 | Ottawa, Kingston, Kanata and Orléans (overlay) | Eastern Time |
| 365 | Mississauga, Hamilton, Brampton and Oakville (overlay) | Eastern Time |
| 382 | London, Kitchener, Cambridge and Windsor (overlay) | Eastern Time |
| 416 | Toronto, North York, Etobicoke and Scarborough | Eastern Time |
| 437 | Toronto, North York, Etobicoke and Scarborough (overlay) | Eastern Time |
| 519 | London, Kitchener, Cambridge and Windsor | Eastern Time |
| 548 | London, Kitchener, Cambridge and Windsor (overlay) | Eastern Time |
| 613 | Ottawa, Kingston, Kanata and Orléans | Eastern Time |
| 647 | Toronto, North York, Etobicoke and Scarborough (overlay) | Eastern Time |
| 683 | Greater Sudbury, Sault Ste. Marie, Barrie and North Bay (overlay) | Eastern Time |
| 705 | Greater Sudbury, Sault Ste. Marie, Barrie and North Bay | Eastern Time |
| 742 | Mississauga, Hamilton, Brampton and Oakville (overlay) | Eastern Time |
| 753 | Ottawa, Kingston, Kanata and Orléans (overlay) | Eastern Time |
| 807 | Thunder Bay, Kenora, Atikokan and Dryden | Eastern Time, Central Time |
| 905 | Mississauga, Hamilton, Brampton and Oakville | Eastern Time |
| 942 | Toronto, North York, Etobicoke and Scarborough (overlay) | Eastern Time |
Look up a Ontario number
Area codes by city in Ontario
- Toronto 416, 437, 647, 942
- Mississauga 365, 742, 905
- London 226, 382, 519, 548
- Ottawa 343, 613, 753
- North York 416, 437, 647, 942
- Hamilton 289, 365, 742, 905
- Brampton 289, 365, 742, 905
- Etobicoke 416, 437, 647, 942
- Oakville 365, 742, 905
- Oshawa 289, 365, 742, 905
- St. Catharines 289, 365, 742, 905
- Kitchener 382, 519, 548
- Greater Sudbury 249, 683, 705
- Scarborough 416, 437, 647, 942
- Thunder Bay 807
- Markham 365, 742, 905
- Burlington 289, 365, 742, 905
- Cambridge 382, 519, 548
- Newmarket 365, 742, 905
- Windsor 382, 519, 548
- Guelph 382, 519, 548
- Niagara Falls 289, 365, 742, 905
- Richmond Hill 365, 742, 905
- Sault Ste. Marie 249, 683, 705
- Ajax 365, 742, 905
- Barrie 249, 683, 705
- Kingston 343, 613, 753
- North Bay 249, 683, 705
- Sarnia 382, 519, 548
- Woodbridge 365, 742, 905
- Aurora 365, 742, 905
- Chatham 382, 519, 548
- Kanata 343, 613, 753
- Milton 365, 742, 905
- Orléans 343, 613, 753
- Pickering 365, 742, 905
- Concord 365, 742, 905
- Orillia 249, 683, 705
- Welland 365, 742, 905
- Whitby 365, 742, 905
- Brantford 382, 519, 548
- Collingwood 249, 683, 705
- Orangeville 382, 519, 548
- Peterborough 249, 683, 705
- Stratford 382, 519, 548
- Timmins 249, 683, 705
- Waterloo 382, 519, 548
- Woodstock 382, 519, 548
- Brockville 343, 613, 753
- Cobourg 365, 742, 905
- Georgetown 365, 742, 905
- Huntsville 249, 683, 705
- Kenora 807
- Lindsay 249, 683, 705
- Maple 365, 742, 905
- Midland 249, 683, 705
- Owen Sound 382, 519, 548
- St. Thomas 382, 519, 548
- Stoney Creek 365, 742, 905
- Thornhill 365, 742, 905
- Trenton 343, 613, 753
- Alliston 249, 683, 705
- Ancaster 365, 742, 905
- Arnprior 343, 613, 753
- Aylmer West 382, 519, 548
- Belleville 343, 613, 753
- Bolton 365, 742, 905
- Bowmanville 365, 742, 905
- Bracebridge 249, 683, 705
- Bradford 365, 742, 905
- Carleton Place 343, 613, 753
- Castlemore 365, 742, 905
- Dundas 365, 742, 905
- Dunnville 365, 742, 905
- Fergus 382, 519, 548
- Fort Erie 365, 742, 905
- Grimsby 365, 742, 905
- Ingersoll 382, 519, 548
- Kapuskasing 249, 683, 705
- Keswick 365, 742, 905
- Leamington 382, 519, 548
- Pembroke 343, 613, 753
- Perth 343, 613, 753
- Port Colborne 365, 742, 905
- Port Elgin 382, 519, 548
- Port Perry 365, 742, 905
- Renfrew 343, 613, 753
- Simcoe 382, 519, 548
- Smiths Falls 343, 613, 753
- Tillsonburg 382, 519, 548
- Uxbridge 365, 742, 905
- Wasaga Beach 249, 683, 705
- Waterdown 365, 742, 905
- Whitchurch-Stouffville 365, 742, 905
Questions
- How many area codes does Ontario have?
- 19: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 683, 705, 742, 753, 807, 905 and 942.
- What time zones are Ontario in?
- Ontario area codes use Eastern Time and Central Time.