| Place | Postal Code |
|---|---|
| Délembé, Ridina | None |
| Djabrona, Ridina | None |
| Djaména, Ridina | None |
| Dour-Dour, Ridina | None |
| Dourouf Amar, Ridina | None |
| Drobane, Ridina | None |
| Ganai, Ridina | None |
| Gnalida, Ridina | None |
| Goula, Ridina | None |
| Goz Mahmat, Ridina | None |
| Guarada, Ridina | None |
| Guila, Ridina | None |
| Kaffao, Ridina | None |
| Kamoun, Ridina | None |
| Kidjidji, Ridina | None |
| Madija, Ridina | None |
| Madja, Ridina | None |
| Matala, Ridina | None |
| Ndomande, Ridina | None |
| Nguéné, Ridina | None |
| Tagnagna, Ridina | None |
| Takadja, Ridina | None |
| Takamala, Ridina | None |
| Takandja, Ridina | None |
| Talamaka, Ridina | None |
| Tangara, Ridina | None |
| Postal Codes in Birao | |
|---|---|
| Ouandja, Birao | |
| Ridina, Birao | |