Daftar wilayah
- L3T 2Z8 - Thornhill, York, Ontario
- L3T 2Z9 - Thornhill, York, Ontario
- L3T 3A1 - Thornhill, York, Ontario
- L3T 3A2 - Thornhill, York, Ontario
- L3T 3A3 - Thornhill, York, Ontario
- L3T 3A4 - Thornhill, York, Ontario
- L3T 3A5 - Thornhill, York, Ontario
- L3T 3A6 - Thornhill, York, Ontario
- L3T 3A7 - Thornhill, York, Ontario
- L3T 3A8 - Thornhill, York, Ontario
- L3T 3A9 - Thornhill, York, Ontario
- L3T 3B1 - Thornhill, York, Ontario
- L3T 3B2 - Thornhill, York, Ontario
- L3T 3B3 - Thornhill, York, Ontario
- L3T 3B4 - Thornhill, York, Ontario
- L3T 3B5 - Thornhill, York, Ontario
- L3T 3B6 - Thornhill, York, Ontario
- L3T 3B7 - Thornhill, York, Ontario
- L3T 3B8 - Thornhill, York, Ontario
- L3T 3B9 - Thornhill, York, Ontario