| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Djimbara, Gassan | None |
| Postal/ZIP Codes in Gassan, Gassan | None |
| Postal/ZIP Codes in Soni, Gassan | None |
| Postal/ZIP Codes in Soroni, Gassan | None |
| Postal/ZIP Codes in Toubani, Gassan | None |
| Postal/ZIP Codes in Warou, Gassan | None |
| Postal/ZIP Codes in Zaba, Gassan | None |