| Place | Postal Code |
|---|---|
| Banksia Park, Tea Tree Gully | 5091 |
| Dernancourt, Tea Tree Gully | 5075 |
| Fairview Park, Tea Tree Gully | 5126 |
| Golden Grove, Tea Tree Gully | 5125 |
| Golden Grove Village, Tea Tree Gully | 5125 |
| Greenwith, Tea Tree Gully | 5125 |
| Highbury, Tea Tree Gully | 5089 |
| Holden Hill, Tea Tree Gully | 5088 |
| Hope Valley, Tea Tree Gully | 5090 |
| Modbury, Tea Tree Gully | 5092 |
| Modbury Heights, Tea Tree Gully | 5092 |
| Modbury North, Tea Tree Gully | 5092 |
| Redwood Park, Tea Tree Gully | 5097 |
| Ridgehaven, Tea Tree Gully | 5097 |
| Saint Agnes, Tea Tree Gully | 5097 |
| Surrey Downs, Tea Tree Gully | 5126 |
| Tea Tree Gully, Tea Tree Gully | 5091 |
| Vista, Tea Tree Gully | 5091 |
| Wynn Vale, Tea Tree Gully | 5127 |
| Yatala Vale, Tea Tree Gully | 5126 |