Lista de la región
- K9H 1K1 - Peterborough, Peterborough, Ontario
- K9H 1K2 - Peterborough, Peterborough, Ontario
- K9H 1K3 - Peterborough, Peterborough, Ontario
- K9H 1K4 - Peterborough, Peterborough, Ontario
- K9H 1K5 - Peterborough, Peterborough, Ontario
- K9H 1K6 - Peterborough, Peterborough, Ontario
- K9H 1K7 - Peterborough, Peterborough, Ontario
- K9H 1K8 - Peterborough, Peterborough, Ontario
- K9H 1K9 - Peterborough, Peterborough, Ontario
- K9H 1L1 - Peterborough, Peterborough, Ontario
- K9H 1L2 - Peterborough, Peterborough, Ontario
- K9H 1L3 - Peterborough, Peterborough, Ontario
- K9H 1L4 - Peterborough, Peterborough, Ontario
- K9H 1L5 - Peterborough, Peterborough, Ontario
- K9H 1L6 - Peterborough, Peterborough, Ontario
- K9H 1L7 - Peterborough, Peterborough, Ontario
- K9H 1L8 - Peterborough, Peterborough, Ontario
- K9H 1L9 - Peterborough, Peterborough, Ontario
- K9H 1M1 - Peterborough, Peterborough, Ontario
- K9H 1M2 - Peterborough, Peterborough, Ontario