| Postal Code | K6H 4W3 |
| City | Cornwall |
| Province | Ontario (ON) |
| Coordinates | 45.0292000, -74.7149000 |
| Population | 25 |
| FSA (Forward Sortation Area) | K6H |
| LDU (Local Delivery Unit) | 4W3 |
| Country | Canada |
K6H 4W3 is a sparsely populated postal code covering Cornwall in Ontario, Canada.
Cornwall has a reported population of 25. That's below the Ontario average of about 47 people per postal code.
Nearby communities in Ontario include Kleinburg, Schomberg.
The postal code for Cornwall, Ontario is K6H 4W3.
K6H 4W3 is located in Ontario, Canada.
The population of K6H 4W3 (Cornwall) is approximately 25 people.
K6H 4W3 is less populated than the typical Ontario postal code, which averages around 47 people.
Postal code codes near K6H 4W3 include L0J 0A1, L0J 1C0, L0G 0A1.