Region List
- K9H 4G1 - Peterborough, Peterborough, Ontario
- K9H 4G2 - Peterborough, Peterborough, Ontario
- K9H 4G3 - Peterborough, Peterborough, Ontario
- K9H 4G4 - Peterborough, Peterborough, Ontario
- K9H 4G5 - Peterborough, Peterborough, Ontario
- K9H 4G7 - Peterborough, Peterborough, Ontario
- K9H 4G8 - Peterborough, Peterborough, Ontario
- K9H 4G9 - Peterborough, Peterborough, Ontario
- K9H 4H1 - Peterborough, Peterborough, Ontario
- K9H 4H2 - Peterborough, Peterborough, Ontario
- K9H 4H3 - Peterborough, Peterborough, Ontario
- K9H 4H4 - Peterborough, Peterborough, Ontario
- K9H 4H5 - Peterborough, Peterborough, Ontario
- K9H 4H6 - Peterborough, Peterborough, Ontario
- K9H 4H7 - Peterborough, Peterborough, Ontario
- K9H 4H8 - Peterborough, Peterborough, Ontario
- K9H 4H9 - Peterborough, Peterborough, Ontario
- K9H 4J1 - Peterborough, Peterborough, Ontario
- K9H 4J2 - Peterborough, Peterborough, Ontario
- K9H 4J3 - Peterborough, Peterborough, Ontario