| Place | Post Code |
|---|---|
| Carrum Downs, Frankston | 3201 |
| Frankston, Frankston | 3199 |
| Frankston East, Frankston | 3199 |
| Frankston Heights, Frankston | 3199 |
| Frankston North, Frankston | 3200 |
| Frankston South, Frankston | 3199 |
| Karingal, Frankston | 3199 |
| Karingal Centre, Frankston | 3199 |
| Langwarrin, Frankston | 3910 |
| Langwarrin South, Frankston | 3911 |
| Pines Forest, Frankston | 3200 |
| Sandhurst, Frankston | 3977 |
| Seaford, Frankston | 3198 |
| Skye, Frankston | 3977 |