| Postal Code | P7B 3M4 |
| City | Thunder Bay |
| Province | Ontario (ON) |
| Coordinates | 48.4197000, -89.2385000 |
| Population | 22 |
| FSA (Forward Sortation Area) | P7B |
| LDU (Local Delivery Unit) | 3M4 |
| Country | Canada |
Postal code P7B 3M4 covers the community of Thunder Bay in Ontario, Canada.
Census data puts the population of this postal code at 22 residents. That's below the Ontario average of about 47 people per postal code.
This postal code sits alongside neighboring areas like Kleinburg, Schomberg within Ontario.
The postal code for Thunder Bay, Ontario is P7B 3M4.
P7B 3M4 is located in Ontario, Canada.
The population of P7B 3M4 (Thunder Bay) is approximately 22 people.
P7B 3M4 is less populated than the typical Ontario postal code, which averages around 47 people.
Postal code codes near P7B 3M4 include L0J 0A1, L0J 1C0, L0G 0A1.