Területlista
- L3T 4C3 - Thornhill, York, Ontario
- L3T 4C4 - Thornhill, York, Ontario
- L3T 4C5 - Thornhill, York, Ontario
- L3T 4C6 - Thornhill, York, Ontario
- L3T 4C7 - Thornhill, York, Ontario
- L3T 4C8 - Thornhill, York, Ontario
- L3T 4C9 - Thornhill, York, Ontario
- L3T 4E1 - Thornhill, York, Ontario
- L3T 4E2 - Thornhill, York, Ontario
- L3T 4E3 - Thornhill, York, Ontario
- L3T 4E4 - Thornhill, York, Ontario
- L3T 4E5 - Thornhill, York, Ontario
- L3T 4E6 - Thornhill, York, Ontario
- L3T 4E7 - Thornhill, York, Ontario
- L3T 4E8 - Thornhill, York, Ontario
- L3T 4E9 - Thornhill, York, Ontario
- L3T 4G1 - Thornhill, York, Ontario
- L3T 4G2 - Thornhill, York, Ontario
- L3T 4G3 - Thornhill, York, Ontario
- L3T 4G4 - Thornhill, York, Ontario