| Place | Post Code |
|---|---|
| Djimbara, Gassan | None |
| Gassan, Gassan | None |
| Soni, Gassan | None |
| Soroni, Gassan | None |
| Toubani, Gassan | None |
| Warou, Gassan | None |
| Zaba, Gassan | None |
| All postal codes in Nayala | |
|---|---|
| Gassan, Nayala | |
| Gossina, Nayala | |
| Kougny, Nayala | |
| Toma, Nayala | |
| Yaba, Nayala | |
| Yé, Nayala | |