Area codes in Thunder Bay, Ontario
Thunder Bay, Ontario uses area code 807. The main Thunder Bay area code is 807.
Area codes serving Thunder Bay
All Ontario area codes · Is a Thunder Bay call a scam?
Nearby cities
- Duluth area codes
- Marquette area codes
- Wausau area codes
- Eau Claire area codes
- Green Bay area codes
- Appleton area codes
- Minneapolis area codes
- St Cloud area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.