区域列表
- K9A 1C6 - Cobourg, Northumberland, Ontario
- K9A 1C7 - Cobourg, Northumberland, Ontario
- K9A 1C8 - Cobourg, Northumberland, Ontario
- K9A 1C9 - Cobourg, Northumberland, Ontario
- K9A 1E1 - Cobourg, Northumberland, Ontario
- K9A 1E2 - Cobourg, Northumberland, Ontario
- K9A 1E4 - Cobourg, Northumberland, Ontario
- K9A 1E5 - Cobourg, Northumberland, Ontario
- K9A 1E6 - Cobourg, Northumberland, Ontario
- K9A 1E7 - Cobourg, Northumberland, Ontario
- K9A 1E8 - Cobourg, Northumberland, Ontario
- K9A 1E9 - Cobourg, Northumberland, Ontario
- K9A 1G1 - Cobourg, Northumberland, Ontario
- K9A 1G2 - Cobourg, Northumberland, Ontario
- K9A 1G3 - Cobourg, Northumberland, Ontario
- K9A 1G4 - Cobourg, Northumberland, Ontario
- K9A 1G5 - Cobourg, Northumberland, Ontario
- K9A 1G6 - Cobourg, Northumberland, Ontario
- K9A 1G7 - Cobourg, Northumberland, Ontario
- K9A 1G9 - Cobourg, Northumberland, Ontario