Region List
- K9H 4S1 - Peterborough, Peterborough, Ontario
- K9H 4S2 - Peterborough, Peterborough, Ontario
- K9H 4S3 - Peterborough, Peterborough, Ontario
- K9H 4S4 - Peterborough, Peterborough, Ontario
- K9H 4S5 - Peterborough, Peterborough, Ontario
- K9H 4S6 - Peterborough, Peterborough, Ontario
- K9H 4S7 - Peterborough, Peterborough, Ontario
- K9H 4S8 - Peterborough, Peterborough, Ontario
- K9H 4S9 - Peterborough, Peterborough, Ontario
- K9H 4T1 - Peterborough, Peterborough, Ontario
- K9H 4T2 - Peterborough, Peterborough, Ontario
- K9H 4T3 - Peterborough, Peterborough, Ontario
- K9H 4T4 - Peterborough, Peterborough, Ontario
- K9H 4T5 - Peterborough, Peterborough, Ontario
- K9H 4T6 - Peterborough, Peterborough, Ontario
- K9H 4T7 - Peterborough, Peterborough, Ontario
- K9H 4T9 - Peterborough, Peterborough, Ontario
- K9H 4T8 - Peterborough, Peterborough, Ontario
- K9H 4V1 - Peterborough, Peterborough, Ontario
- K9H 4V2 - Peterborough, Peterborough, Ontario