| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Bajagić, Sinj | 21238 |
| Postal/ZIP Codes in Brnaze, Sinj | 21230 |
| Postal/ZIP Codes in Čitluk, Sinj | 21230 |
| Postal/ZIP Codes in Glavice, Sinj | 21230 |
| Postal/ZIP Codes in Gljev, Sinj | 21238 |
| Postal/ZIP Codes in Jasensko, Sinj | 21230 |
| Postal/ZIP Codes in Karakašica, Sinj | 21230 |
| Postal/ZIP Codes in Lučane, Sinj | 21230 |
| Postal/ZIP Codes in Obrovac Sinjski, Sinj | 21238 |
| Postal/ZIP Codes in Radošić, Sinj | 21230 |
| Postal/ZIP Codes in Sinj, Sinj | 21230 |
| Postal/ZIP Codes in Suhač, Sinj | 21230 |
| Postal/ZIP Codes in Turjaci, Sinj | 21230 |
| Postal/ZIP Codes in Zelovo, Sinj | 21230 |