| Place | Post Code |
|---|---|
| Ouango-Kotta, Ouango | None |
| Ouazoua, Ouango | None |
| Ouazzoua, Ouango | None |
| Sahoro, Ouango | None |
| Siolo, Ouango | None |
| Yégbé, Ouango | None |
| Yenzia, Ouango | None |
| Yoloungou, Ouango | None |
| Zawara, Ouango | None |
| All postal codes in Ouango | |
|---|---|
| Ngbandinga, Ouango | |
| Ouango, Ouango | |