| Place | Post Code |
|---|---|
| One Tree Hill, Playford | 5114 |
| Penfield, Playford | 5121 |
| Penfield Gardens, Playford | 5121 |
| Sampson Flat, Playford | 5114 |
| Smithfield, Playford | 5114 |
| Smithfield Plains, Playford | 5114 |
| Smithfield West, Playford | 5114 |
| Uleybury, Playford | 5114 |
| Virginia, Playford | 5120 |
| Waterloo Corner, Playford | 5110 |
| Yattalunga, Playford | 5114 |