Thunder Bay area codes
Thunder Bay, Ontario uses a single area code, 807. 67 number blocks are assigned in the exchange. No single national carrier dominates: most blocks here are held by regional and competitive carriers.
Area codes serving Thunder Bay
| Code | Blocks in Thunder Bay | Share | |
|---|---|---|---|
| 807 | 67 | 100% |
Blocks are allocations recorded by the Canadian Numbering Administrator for this exchange area, not a count of people with those numbers.
Who holds Thunder Bay numbers
- Other36%
- Rogers21%
- VoIP providers19%
“VoIP providers” and “Other” group carriers whose names our mapping does not resolve individually – they are buckets, not companies.
Questions about Thunder Bay numbers
What area code is Thunder Bay?
807.
Which carrier has most Thunder Bay numbers?
Other holds about 36% of the number blocks assigned here. This is share of blocks allocated by the Canadian Numbering Administrator, not share of customers – people keep their numbers when they switch carriers.
Is a call from a Thunder Bay number safe?
The area code tells you nothing about that. Spam callers routinely fake the number they display, often choosing a local-looking one because it gets answered more often. Look up the full number instead.
Other places in Ontario
Source
Canadian Numbering Administrator, CO Code Status, data date 31 October 2026. The CNA publishes one file per area code each weeknight; we aggregate by exchange area and province.
Spotted an error? Request a correction.