| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Zaoro-Yanga, Topia | None |
| Postal/ZIP Codes in Zaoro-Yanga-Ngombe, Topia | None |
| Postal/ZIP Codes in Zaorossoungou, Topia | None |
| Postal/ZIP Codes in Zouwane, Topia | None |
| Postal Codes in Gadzi | |
|---|---|
| Postal/ZIP Codes in Mbali, Gadzi | |
| Postal/ZIP Codes in Topia, Gadzi | |