| Ort | Postleitzahl |
|---|---|
| Avonsleigh, Cardinia | 3782 |
| Bayles, Cardinia | 3981 |
| Beaconsfield, Cardinia | 3807 |
| Beaconsfield Upper, Cardinia | 3808 |
| Bunyip, Cardinia | 3815 |
| Bunyip North, Cardinia | 3815 |
| Caldermeade, Cardinia | 3984 |
| Cardinia, Cardinia | 3978 |
| Catani, Cardinia | 3981 |
| Clematis, Cardinia | 3782 |
| Cockatoo, Cardinia | 3781 |
| Cora Lynn, Cardinia | 3814 |
| Dalmore, Cardinia | 3981 |
| Dewhurst, Cardinia | 3808 |
| Emerald, Cardinia | 3782 |
| Garfield, Cardinia | 3814 |
| Garfield North, Cardinia | 3814 |
| Gembrook, Cardinia | 3783 |
| Guys Hill, Cardinia | 3807 |
| Heath Hill, Cardinia | 3981 |
| Iona, Cardinia | 3815 |
| Koo Wee Rup, Cardinia | 3981 |
| Koo Wee Rup North, Cardinia | 3981 |
| Lang Lang, Cardinia | 3984 |
| Lang Lang East, Cardinia | 3984 |
| Maryknoll, Cardinia | 3812 |