Danh sách vùng
- L3T 3G3 - Thornhill, York, Ontario
- L3T 3G4 - Thornhill, York, Ontario
- L3T 3G5 - Thornhill, York, Ontario
- L3T 3G6 - Thornhill, York, Ontario
- L3T 3G7 - Thornhill, York, Ontario
- L3T 3G8 - Thornhill, York, Ontario
- L3T 3G9 - Thornhill, York, Ontario
- L3T 3H1 - Thornhill, York, Ontario
- L3T 3H2 - Thornhill, York, Ontario
- L3T 3H3 - Thornhill, York, Ontario
- L3T 3H4 - Thornhill, York, Ontario
- L3T 3H5 - Thornhill, York, Ontario
- L3T 3H6 - Thornhill, York, Ontario
- L3T 3H7 - Thornhill, York, Ontario
- L3T 3H8 - Thornhill, York, Ontario
- L3T 3H9 - Thornhill, York, Ontario
- L3T 3J1 - Thornhill, York, Ontario
- L3T 3J2 - Thornhill, York, Ontario
- L3T 3J3 - Thornhill, York, Ontario
- L3T 3J4 - Thornhill, York, Ontario