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

Phone numbers in Thunder Bay are written as ten digits — for example (807) 555-0190 — and fall in the Eastern Time zone.

All Ontario area codes · Is a Thunder Bay call a scam?

Nearby cities

More cities in Ontario

Frequently asked questions

What is the area code for Thunder Bay?

The main area code for Thunder Bay, Ontario is 807.

How many area codes does Thunder Bay have?

Thunder Bay has 1 area code: 807.

How do you dial a Thunder Bay number?

Dial all 10 digits — the area code (807) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.