區域清單
- K9A 0C6 - Cobourg, Northumberland, Ontario
- K9A 0C7 - Cobourg, Northumberland, Ontario
- K9A 0C8 - Cobourg, Northumberland, Ontario
- K9A 0C9 - Cobourg, Northumberland, Ontario
- K9A 0E1 - Cobourg, Northumberland, Ontario
- K9A 0E2 - Cobourg, Northumberland, Ontario
- K9A 0E3 - Cobourg, Northumberland, Ontario
- K9A 0E4 - Cobourg, Northumberland, Ontario
- K9A 0E5 - Cobourg, Northumberland, Ontario
- K9A 0E7 - Cobourg, Northumberland, Ontario
- K9A 0E8 - Cobourg, Northumberland, Ontario
- K9A 0E9 - Cobourg, Northumberland, Ontario
- K9A 0G1 - Cobourg, Northumberland, Ontario
- K9A 0G2 - Cobourg, Northumberland, Ontario
- K9A 0G3 - Cobourg, Northumberland, Ontario
- K9A 0G4 - Cobourg, Northumberland, Ontario
- K9A 0G5 - Cobourg, Northumberland, Ontario
- K9A 0G6 - Cobourg, Northumberland, Ontario
- K9A 0G7 - Cobourg, Northumberland, Ontario
- K9A 1A1 - Cobourg, Northumberland, Ontario