Danh sách vùng
- K9A 2E4 - Cobourg, Northumberland, Ontario
- K9A 2E5 - Cobourg, Northumberland, Ontario
- K9A 2E7 - Cobourg, Northumberland, Ontario
- K9A 2E8 - Cobourg, Northumberland, Ontario
- K9A 2E9 - Cobourg, Northumberland, Ontario
- K9A 2G1 - Cobourg, Northumberland, Ontario
- K9A 2G2 - Cobourg, Northumberland, Ontario
- K9A 2G3 - Cobourg, Northumberland, Ontario
- K9A 2G4 - Cobourg, Northumberland, Ontario
- K9A 2G5 - Cobourg, Northumberland, Ontario
- K9A 2G6 - Cobourg, Northumberland, Ontario
- K9A 2G7 - Cobourg, Northumberland, Ontario
- K9A 2G8 - Cobourg, Northumberland, Ontario
- K9A 2G9 - Cobourg, Northumberland, Ontario
- K9A 2H1 - Cobourg, Northumberland, Ontario
- K9A 2H2 - Cobourg, Northumberland, Ontario
- K9A 2H3 - Cobourg, Northumberland, Ontario
- K9A 2H4 - Cobourg, Northumberland, Ontario
- K9A 2H5 - Cobourg, Northumberland, Ontario
- K9A 2H6 - Cobourg, Northumberland, Ontario