| Postal Code | K6J 3K5 |
| City | Cornwall |
| Province | Ontario (ON) |
| Coordinates | 45.0339000, -74.7511000 |
| Population | 20 |
| FSA (Forward Sortation Area) | K6J |
| LDU (Local Delivery Unit) | 3K5 |
| Country | Canada |
K6J 3K5 is a sparsely populated postal code covering Cornwall in Ontario, Canada.
Census data puts the population of this postal code at 20 residents. That's below the Ontario average of about 47 people per postal code.
Other postal code codes in Ontario serve areas such as Kleinburg, Schomberg.
The postal code for Cornwall, Ontario is K6J 3K5.
K6J 3K5 is located in Ontario, Canada.
The population of K6J 3K5 (Cornwall) is approximately 20 people.
K6J 3K5 is less populated than the typical Ontario postal code, which averages around 47 people.
Postal code codes near K6J 3K5 include L0J 0A1, L0J 1C0, L0G 0A1.