| Ort | Postleitzahl |
|---|---|
| Bayswater North, Maroondah | 3153 |
| Croydon, Maroondah | 3136 |
| Croydon Hills, Maroondah | 3136 |
| Croydon North, Maroondah | 3136 |
| Croydon South, Maroondah | 3136 |
| Heathmont, Maroondah | 3135 |
| Heathwood, Maroondah | 3134 |
| Kilsyth South, Maroondah | 3137 |
| Ringwood, Maroondah | 3134 |
| Ringwood East, Maroondah | 3135 |
| Warranwood, Maroondah | 3134 |