Lista regionu
- L4A 7Z3 - Stouffville, York, Ontario
- L4A 7Z4 - Stouffville, York, Ontario
- L4A 7Z5 - Stouffville, York, Ontario
- L4A 7Z6 - Stouffville, York, Ontario
- L4A 7Z7 - Stouffville, York, Ontario
- L4A 7Z8 - Stouffville, York, Ontario
- L4A 7Z9 - Stouffville, York, Ontario
- L4A 8A1 - Stouffville, York, Ontario
- L4A 8A2 - Stouffville, York, Ontario
- L4A 8A3 - Stouffville, York, Ontario
- L4A 8A4 - Stouffville, York, Ontario
- L4A 8A5 - Stouffville, York, Ontario
- L4A 8A6 - Stouffville, York, Ontario
- L4A 8A7 - Stouffville, York, Ontario
- L4A 8A8 - Stouffville, York, Ontario
- L4A 8A9 - Stouffville, York, Ontario
- L4A 8B1 - Stouffville, York, Ontario
- L4A 8B2 - Stouffville, York, Ontario
- L4A 8B3 - Stouffville, York, Ontario
- L4A 8B4 - Stouffville, York, Ontario