| Place | Post Code |
|---|---|
| Camperdown, Marrickville | 2050 |
| Dulwich Hill, Marrickville | 2203 |
| Enmore, Marrickville | 2042 |
| Lewisham, Marrickville | 2049 |
| Marrickville, Marrickville | 2204 |
| Marrickville Metro, Marrickville | 2204 |
| Marrickville South, Marrickville | 2204 |
| Newtown, Marrickville | 2042 |
| Petersham, Marrickville | 2049 |
| Petersham North, Marrickville | 2049 |
| Saint Peters, Marrickville | 2044 |
| Stanmore, Marrickville | 2048 |
| Sydenham, Marrickville | 2044 |
| Tempe, Marrickville | 2044 |
| Westgate, Marrickville | 2048 |