Regionenliste
- K9A 2B1 - Cobourg, Northumberland, Ontario
- K9A 2B2 - Cobourg, Northumberland, Ontario
- K9A 2B3 - Cobourg, Northumberland, Ontario
- K9A 2B4 - Cobourg, Northumberland, Ontario
- K9A 2B5 - Cobourg, Northumberland, Ontario
- K9A 2B6 - Cobourg, Northumberland, Ontario
- K9A 2B7 - Cobourg, Northumberland, Ontario
- K9A 2B8 - Cobourg, Northumberland, Ontario
- K9A 2B9 - Cobourg, Northumberland, Ontario
- K9A 2C1 - Cobourg, Northumberland, Ontario
- K9A 2C2 - Cobourg, Northumberland, Ontario
- K9A 2C3 - Cobourg, Northumberland, Ontario
- K9A 2C4 - Cobourg, Northumberland, Ontario
- K9A 2C5 - Cobourg, Northumberland, Ontario
- K9A 2C6 - Cobourg, Northumberland, Ontario
- K9A 2C7 - Cobourg, Northumberland, Ontario
- K9A 2C9 - Cobourg, Northumberland, Ontario
- K9A 2E1 - Cobourg, Northumberland, Ontario
- K9A 2E2 - Cobourg, Northumberland, Ontario
- K9A 2E3 - Cobourg, Northumberland, Ontario