| Locality | Post Code |
|---|---|
| Bajagić, Sinj | 21238 |
| Brnaze, Sinj | 21230 |
| Čitluk, Sinj | 21230 |
| Glavice, Sinj | 21230 |
| Gljev, Sinj | 21238 |
| Jasensko, Sinj | 21230 |
| Karakašica, Sinj | 21230 |
| Lučane, Sinj | 21230 |
| Obrovac Sinjski, Sinj | 21238 |
| Radošić, Sinj | 21230 |
| Sinj, Sinj | 21230 |
| Suhač, Sinj | 21230 |
| Turjaci, Sinj | 21230 |
| Zelovo, Sinj | 21230 |