Region List
- K9H 3H5 - Peterborough, Peterborough, Ontario
- K9H 3H6 - Peterborough, Peterborough, Ontario
- K9H 3H7 - Peterborough, Peterborough, Ontario
- K9H 3H8 - Peterborough, Peterborough, Ontario
- K9H 3H9 - Peterborough, Peterborough, Ontario
- K9H 3J1 - Peterborough, Peterborough, Ontario
- K9H 3J2 - Peterborough, Peterborough, Ontario
- K9H 3J3 - Peterborough, Peterborough, Ontario
- K9H 3J4 - Peterborough, Peterborough, Ontario
- K9H 3J5 - Peterborough, Peterborough, Ontario
- K9H 3J6 - Peterborough, Peterborough, Ontario
- K9H 3J7 - Peterborough, Peterborough, Ontario
- K9H 3J8 - Peterborough, Peterborough, Ontario
- K9H 3J9 - Peterborough, Peterborough, Ontario
- K9H 3K1 - Peterborough, Peterborough, Ontario
- K9H 3K2 - Peterborough, Peterborough, Ontario
- K9H 3K3 - Peterborough, Peterborough, Ontario
- K9H 3K4 - Peterborough, Peterborough, Ontario
- K9H 3K5 - Peterborough, Peterborough, Ontario
- K9H 3K6 - Peterborough, Peterborough, Ontario