Bölge listesi
- K9A 1Y8 - Cobourg, Northumberland, Ontario
- K9A 1Y9 - Cobourg, Northumberland, Ontario
- K9A 1Z1 - Cobourg, Northumberland, Ontario
- K9A 1Z2 - Cobourg, Northumberland, Ontario
- K9A 1Z3 - Cobourg, Northumberland, Ontario
- K9A 1Z4 - Cobourg, Northumberland, Ontario
- K9A 1Z5 - Cobourg, Northumberland, Ontario
- K9A 1Z6 - Cobourg, Northumberland, Ontario
- K9A 1Z7 - Cobourg, Northumberland, Ontario
- K9A 1Z8 - Cobourg, Northumberland, Ontario
- K9A 1Z9 - Cobourg, Northumberland, Ontario
- K9A 2A1 - Cobourg, Northumberland, Ontario
- K9A 2A2 - Cobourg, Northumberland, Ontario
- K9A 2A3 - Cobourg, Northumberland, Ontario
- K9A 2A4 - Cobourg, Northumberland, Ontario
- K9A 2A5 - Cobourg, Northumberland, Ontario
- K9A 2A6 - Cobourg, Northumberland, Ontario
- K9A 2A7 - Cobourg, Northumberland, Ontario
- K9A 2A8 - Cobourg, Northumberland, Ontario
- K9A 2A9 - Cobourg, Northumberland, Ontario