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