Regiunea lista
- K9H 1M3 - Peterborough, Peterborough, Ontario
- K9H 1M4 - Peterborough, Peterborough, Ontario
- K9H 1M5 - Peterborough, Peterborough, Ontario
- K9H 1M6 - Peterborough, Peterborough, Ontario
- K9H 1M7 - Peterborough, Peterborough, Ontario
- K9H 1M8 - Peterborough, Peterborough, Ontario
- K9H 1M9 - Peterborough, Peterborough, Ontario
- K9H 1N1 - Peterborough, Peterborough, Ontario
- K9H 1N2 - Peterborough, Peterborough, Ontario
- K9H 1N3 - Peterborough, Peterborough, Ontario
- K9H 1N4 - Peterborough, Peterborough, Ontario
- K9H 1N5 - Peterborough, Peterborough, Ontario
- K9H 1N6 - Peterborough, Peterborough, Ontario
- K9H 1N7 - Peterborough, Peterborough, Ontario
- K9H 1N8 - Peterborough, Peterborough, Ontario
- K9H 1N9 - Peterborough, Peterborough, Ontario
- K9H 1P1 - Peterborough, Peterborough, Ontario
- K9H 1P2 - Peterborough, Peterborough, Ontario
- K9H 1P3 - Peterborough, Peterborough, Ontario
- K9H 1P4 - Peterborough, Peterborough, Ontario