รายชื่อภูมิภาค
- K9H 4B6 - Peterborough, Peterborough, Ontario
- K9H 4B7 - Peterborough, Peterborough, Ontario
- K9H 4B8 - Peterborough, Peterborough, Ontario
- K9H 4B9 - Peterborough, Peterborough, Ontario
- K9H 4C1 - Peterborough, Peterborough, Ontario
- K9H 4C2 - Peterborough, Peterborough, Ontario
- K9H 4C3 - Peterborough, Peterborough, Ontario
- K9H 4C4 - Peterborough, Peterborough, Ontario
- K9H 4C5 - Peterborough, Peterborough, Ontario
- K9H 4C7 - Peterborough, Peterborough, Ontario
- K9H 4C8 - Peterborough, Peterborough, Ontario
- K9H 4E1 - Peterborough, Peterborough, Ontario
- K9H 4E2 - Peterborough, Peterborough, Ontario
- K9H 4E3 - Peterborough, Peterborough, Ontario
- K9H 4E4 - Peterborough, Peterborough, Ontario
- K9H 4E5 - Peterborough, Peterborough, Ontario
- K9H 4E6 - Peterborough, Peterborough, Ontario
- K9H 4E7 - Peterborough, Peterborough, Ontario
- K9H 4E8 - Peterborough, Peterborough, Ontario
- K9H 4E9 - Peterborough, Peterborough, Ontario