Lista de la región
- K9H 1Y2 - Peterborough, Peterborough, Ontario
- K9H 1Y3 - Peterborough, Peterborough, Ontario
- K9H 1Y4 - Peterborough, Peterborough, Ontario
- K9H 1Y5 - Peterborough, Peterborough, Ontario
- K9H 1Y6 - Peterborough, Peterborough, Ontario
- K9H 1Y7 - Peterborough, Peterborough, Ontario
- K9H 1Y8 - Peterborough, Peterborough, Ontario
- K9H 1Y9 - Peterborough, Peterborough, Ontario
- K9H 1Z1 - Peterborough, Peterborough, Ontario
- K9H 1Z2 - Peterborough, Peterborough, Ontario
- K9H 1Z3 - Peterborough, Peterborough, Ontario
- K9H 1Z4 - Peterborough, Peterborough, Ontario
- K9H 1Z5 - Peterborough, Peterborough, Ontario
- K9H 1Z6 - Peterborough, Peterborough, Ontario
- K9H 1Z7 - Peterborough, Peterborough, Ontario
- K9H 1Z8 - Peterborough, Peterborough, Ontario
- K9H 1Z9 - Peterborough, Peterborough, Ontario
- K9H 2A1 - Peterborough, Peterborough, Ontario
- K9H 2A2 - Peterborough, Peterborough, Ontario
- K9H 2A3 - Peterborough, Peterborough, Ontario