Список региона
- L4A 3P3 - Stouffville, York, Ontario
- L4A 3P6 - Stouffville, York, Ontario
- L4A 3P9 - Stouffville, York, Ontario
- L4A 3R1 - Stouffville, York, Ontario
- L4A 3R3 - Stouffville, York, Ontario
- L4A 3R4 - Stouffville, York, Ontario
- L4A 3R6 - Stouffville, York, Ontario
- L4A 3R7 - Stouffville, York, Ontario
- L4A 4C7 - Stouffville, York, Ontario
- L4A 4E1 - Stouffville, York, Ontario
- L4A 4E4 - Stouffville, York, Ontario
- L4A 4E7 - Stouffville, York, Ontario
- L4A 4G1 - Stouffville, York, Ontario
- L4A 4G4 - Stouffville, York, Ontario
- L4A 4G7 - Stouffville, York, Ontario
- L4A 4H1 - Stouffville, York, Ontario
- L4A 4H2 - Stouffville, York, Ontario
- L4A 4H4 - Stouffville, York, Ontario
- L4A 4H7 - Stouffville, York, Ontario
- L4A 4H8 - Stouffville, York, Ontario