Area codes in London, Ontario

London, Ontario uses 4 area codes — 519, 226, 548 and 382. The main London area code is 519.

Area codes serving London

• 519 — London
• 226 — London
• 548 — London
• 382 — London

All Ontario area codes · Is a London call a scam?

Nearby cities

• Kitchener area codes
• Guelph area codes
• Hamilton area codes
• Erie area codes
• Oakville area codes
• Brampton area codes
• Warren area codes
• Troy area codes

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.