| Postal Code | L3T 3J1 |
| City | Thornhill |
| Province | Ontario (ON) |
| Coordinates | 43.8318000, -79.4096000 |
| Population | 45 |
| FSA (Forward Sortation Area) | L3T |
| LDU (Local Delivery Unit) | 3J1 |
| Country | Canada |
Located in Ontario, Canada is home to the sparsely populated community of Thornhill, served by postal code L3T 3J1.
Census data puts the population of this postal code at 45 residents. This is roughly in line with the Ontario average of about 47 residents.
This postal code sits alongside neighboring areas like Kleinburg, Schomberg within Ontario.
The postal code for Thornhill, Ontario is L3T 3J1.
L3T 3J1 is located in Ontario, Canada.
The population of L3T 3J1 (Thornhill) is approximately 45 people.
L3T 3J1 is about average compared to the typical Ontario postal code, which averages around 47 people.
Postal code codes near L3T 3J1 include L0J 0A1, L0J 1C0, L0G 0A1.