지역 목록
- K9A 1R1 - Cobourg, Northumberland, Ontario
- K9A 1R2 - Cobourg, Northumberland, Ontario
- K9A 1R3 - Cobourg, Northumberland, Ontario
- K9A 1R4 - Cobourg, Northumberland, Ontario
- K9A 1R5 - Cobourg, Northumberland, Ontario
- K9A 1R6 - Cobourg, Northumberland, Ontario
- K9A 1R7 - Cobourg, Northumberland, Ontario
- K9A 1R8 - Cobourg, Northumberland, Ontario
- K9A 1R9 - Cobourg, Northumberland, Ontario
- K9A 1S1 - Cobourg, Northumberland, Ontario
- K9A 1S2 - Cobourg, Northumberland, Ontario
- K9A 1S3 - Cobourg, Northumberland, Ontario
- K9A 1S4 - Cobourg, Northumberland, Ontario
- K9A 1S5 - Cobourg, Northumberland, Ontario
- K9A 1S6 - Cobourg, Northumberland, Ontario
- K9A 1S7 - Cobourg, Northumberland, Ontario
- K9A 1S8 - Cobourg, Northumberland, Ontario
- K9A 1S9 - Cobourg, Northumberland, Ontario
- K9A 1T1 - Cobourg, Northumberland, Ontario
- K9A 1T2 - Cobourg, Northumberland, Ontario