Lista regionu
- K9H 4N8 - Peterborough, Peterborough, Ontario
- K9H 4N9 - Peterborough, Peterborough, Ontario
- K9H 4P1 - Peterborough, Peterborough, Ontario
- K9H 4P2 - Peterborough, Peterborough, Ontario
- K9H 4P3 - Peterborough, Peterborough, Ontario
- K9H 4P4 - Peterborough, Peterborough, Ontario
- K9H 4P5 - Peterborough, Peterborough, Ontario
- K9H 4P6 - Peterborough, Peterborough, Ontario
- K9H 4P7 - Peterborough, Peterborough, Ontario
- K9H 4P8 - Peterborough, Peterborough, Ontario
- K9H 4P9 - Peterborough, Peterborough, Ontario
- K9H 4R1 - Peterborough, Peterborough, Ontario
- K9H 4R2 - Peterborough, Peterborough, Ontario
- K9H 4R3 - Peterborough, Peterborough, Ontario
- K9H 4R4 - Peterborough, Peterborough, Ontario
- K9H 4R5 - Peterborough, Peterborough, Ontario
- K9H 4R6 - Peterborough, Peterborough, Ontario
- K9H 4R7 - Peterborough, Peterborough, Ontario
- K9H 4R8 - Peterborough, Peterborough, Ontario
- K9H 4R9 - Peterborough, Peterborough, Ontario