| Place | Post Code |
|---|---|
| Albion Park, Shellharbour | 2527 |
| Albion Park Rail, Shellharbour | 2527 |
| Barrack Heights, Shellharbour | 2528 |
| Barrack Point, Shellharbour | 2528 |
| Blackbutt, Shellharbour | 2529 |
| Calderwood, Shellharbour | 2527 |
| Croom, Shellharbour | 2527 |
| Dunmore, Shellharbour | 2529 |
| Flinders, Shellharbour | 2529 |
| Lake Illawarra, Shellharbour | 2528 |
| Macquarie Pass, Shellharbour | 2577 |
| Mount Warrigal, Shellharbour | 2528 |
| North Macquarie, Shellharbour | 2527 |
| Oak Flats, Shellharbour | 2529 |
| Shell Cove, Shellharbour | 2529 |
| Shellharbour, Shellharbour | 2529 |
| Shellharbour City Centre, Shellharbour | 2529 |
| Tongarra, Shellharbour | 2527 |
| Tullimbar, Shellharbour | 2527 |
| Warilla, Shellharbour | 2528 |
| Yellow Rock, Shellharbour | 2527 |
| All postal codes in Illawarra | |
|---|---|
| Kiama, Illawarra | |
| Shellharbour, Illawarra | |
| Shoalhaven, Illawarra | |
| Wingecarribee, Illawarra | |
| Wollongong, Illawarra | |