Lista de região
- K9H 1A3 - Peterborough, Peterborough, Ontario
- K9H 1A4 - Peterborough, Peterborough, Ontario
- K9H 1A5 - Peterborough, Peterborough, Ontario
- K9H 1A6 - Peterborough, Peterborough, Ontario
- K9H 1A7 - Peterborough, Peterborough, Ontario
- K9H 1A8 - Peterborough, Peterborough, Ontario
- K9H 1A9 - Peterborough, Peterborough, Ontario
- K9H 1B1 - Peterborough, Peterborough, Ontario
- K9H 1B2 - Peterborough, Peterborough, Ontario
- K9H 1B3 - Peterborough, Peterborough, Ontario
- K9H 1B4 - Peterborough, Peterborough, Ontario
- K9H 1B5 - Peterborough, Peterborough, Ontario
- K9H 1B6 - Peterborough, Peterborough, Ontario
- K9H 1B7 - Peterborough, Peterborough, Ontario
- K9H 1B8 - Peterborough, Peterborough, Ontario
- K9H 1B9 - Peterborough, Peterborough, Ontario
- K9H 1C1 - Peterborough, Peterborough, Ontario
- K9H 1C2 - Peterborough, Peterborough, Ontario
- K9H 1C3 - Peterborough, Peterborough, Ontario
- K9H 1C4 - Peterborough, Peterborough, Ontario