Senarai rantau
- K1A 0A1 - Ottawa, Ottawa, Ontario
- K1A 0A2 - Ottawa, Ottawa, Ontario
- K1A 0A3 - Ottawa, Ottawa, Ontario
- K1A 0A4 - Ottawa, Ottawa, Ontario
- K1A 0A5 - Ottawa, Ottawa, Ontario
- K1A 0A6 - Ottawa, Ottawa, Ontario
- K1A 0A8 - Ottawa, Ottawa, Ontario
- K1A 0A9 - Ottawa, Ottawa, Ontario
- K1A 0B1 - Ottawa, Ottawa, Ontario
- K1A 0B2 - Ottawa, Ottawa, Ontario
- K1A 0B4 - Ottawa, Ottawa, Ontario
- K1A 0B9 - Ottawa, Ottawa, Ontario
- K1A 0C1 - Ottawa, Ottawa, Ontario
- K1A 0C5 - Ottawa, Ottawa, Ontario
- K1A 0C6 - Ottawa, Ottawa, Ontario
- K1A 0C7 - Ottawa, Ottawa, Ontario
- K1A 0C8 - Ottawa, Ottawa, Ontario
- K1A 0E4 - Ottawa, Ottawa, Ontario
- K1A 0E6 - Ottawa, Ottawa, Ontario
- K1A 0E8 - Ottawa, Ottawa, Ontario