Список региона
- K9A 5W7 - Cobourg, Northumberland, Ontario
- K9A 5W8 - Cobourg, Northumberland, Ontario
- K9A 5W9 - Cobourg, Northumberland, Ontario
- K9A 5X1 - Cobourg, Northumberland, Ontario
- K9A 5X2 - Cobourg, Northumberland, Ontario
- K9A 5X3 - Cobourg, Northumberland, Ontario
- K9A 5X4 - Cobourg, Northumberland, Ontario
- K9A 5X5 - Cobourg, Northumberland, Ontario
- K9A 5X6 - Cobourg, Northumberland, Ontario
- K9A 5X7 - Cobourg, Northumberland, Ontario
- K9A 5X8 - Cobourg, Northumberland, Ontario
- K9A 5X9 - Cobourg, Northumberland, Ontario
- K9A 5Y1 - Cobourg, Northumberland, Ontario
- K9A 5Y2 - Cobourg, Northumberland, Ontario
- K9A 5Y3 - Cobourg, Northumberland, Ontario
- K9A 5Y4 - Cobourg, Northumberland, Ontario
- K9A 5Y5 - Cobourg, Northumberland, Ontario
- K9A 5Y6 - Cobourg, Northumberland, Ontario
- K9A 5Y7 - Cobourg, Northumberland, Ontario