📋 Ontario Area Code Summary

Province
Ontario
Total Area Codes
18
Major Cities
6
Timezone(s)
Eastern

📞 All Ontario Area Codes 18

226 London 249 Sudbury 289 Hamilton 343 Ottawa 365 Hamilton 382 London 416 Toronto 437 Toronto 519 London 548 London 613 Ottawa 647 Toronto 683 Sudbury 705 Sudbury 742 Hamilton 753 Ottawa 807 Kenora 905 Hamilton

🏙️ Cities in Ontario 6

Hamilton 289 Kenora 807 London 226 Ottawa 343 Sudbury 249 Toronto 416

ℹ️ About Ontario Area Codes

Ontario has 18 active area codes covering 6 major city/cities including Hamilton, Kenora, London, Ottawa, Sudbury, and more.

Area codes in Ontario operate in the Eastern Time Zone.

Click any area code above to see full details including location map, timezone, caller reports, and related codes.