| Postal Code information | |
|---|---|
| Place | Banja Luka |
| Post Code | 78000, 78003, 78101, 78102, 78103, 78104, 78105, 78106, 78107, 78108, 78109, 78110, 78111, 78112, 78113, 78114, 78117, 78118, 78119, 78200 |
| County | Banja Luka |
| State | Republika Srpska |
| Time zone | Europe/Sarajevo |