| Locality | Post Code |
|---|---|
| Banja Luka, Banja Luka | 78000, 78003, 78101, 78102, 78103, … |
| Bronzani Majdan, Banja Luka | 78204 |
| Dragočaj, Banja Luka | 78215 |
| Galeši, Banja Luka | 78203 |
| Ivanjska, Banja Luka | 78216 |
| Kola, Banja Luka | 71350, 78207 |
| Krupa na Vrbasu, Banja Luka | 78206 |
| Piskavica, Banja Luka | 78217 |
| Saračica, Banja Luka | 78202 |
| Stričići, Banja Luka | 78208 |
| Vrbanja, Banja Luka | 78211 |
| Zalužani, Banja Luka | 78214 |