Lista de região
- L4A 0J8 - Stouffville, York, Ontario
- L4A 0J9 - Stouffville, York, Ontario
- L4A 0K1 - Stouffville, York, Ontario
- L4A 0K2 - Stouffville, York, Ontario
- L4A 0K3 - Stouffville, York, Ontario
- L4A 0K4 - Stouffville, York, Ontario
- L4A 0K5 - Stouffville, York, Ontario
- L4A 0K6 - Stouffville, York, Ontario
- L4A 0K7 - Stouffville, York, Ontario
- L4A 0K8 - Stouffville, York, Ontario
- L4A 0K9 - Stouffville, York, Ontario
- L4A 0L1 - Stouffville, York, Ontario
- L4A 0L2 - Stouffville, York, Ontario
- L4A 0L3 - Stouffville, York, Ontario
- L4A 0L4 - Stouffville, York, Ontario
- L4A 0L5 - Stouffville, York, Ontario
- L4A 0L6 - Stouffville, York, Ontario
- L4A 0L7 - Stouffville, York, Ontario
- L4A 0L8 - Stouffville, York, Ontario
- L4A 0L9 - Stouffville, York, Ontario