Region List
- K9H 3E3 - Peterborough, Peterborough, Ontario
- K9H 3E4 - Peterborough, Peterborough, Ontario
- K9H 3E5 - Peterborough, Peterborough, Ontario
- K9H 3E6 - Peterborough, Peterborough, Ontario
- K9H 3E7 - Peterborough, Peterborough, Ontario
- K9H 3E8 - Peterborough, Peterborough, Ontario
- K9H 3E9 - Peterborough, Peterborough, Ontario
- K9H 3G1 - Peterborough, Peterborough, Ontario
- K9H 3G2 - Peterborough, Peterborough, Ontario
- K9H 3G3 - Peterborough, Peterborough, Ontario
- K9H 3G4 - Peterborough, Peterborough, Ontario
- K9H 3G5 - Peterborough, Peterborough, Ontario
- K9H 3G6 - Peterborough, Peterborough, Ontario
- K9H 3G7 - Peterborough, Peterborough, Ontario
- K9H 3G8 - Peterborough, Peterborough, Ontario
- K9H 3G9 - Peterborough, Peterborough, Ontario
- K9H 3H1 - Peterborough, Peterborough, Ontario
- K9H 3H2 - Peterborough, Peterborough, Ontario
- K9H 3H3 - Peterborough, Peterborough, Ontario
- K9H 3H4 - Peterborough, Peterborough, Ontario