| Place | Postal Code |
|---|---|
| Bady, Koui | None |
| Bakoussa, Koui | None |
| Bang, Koui | None |
| Belaka, Koui | None |
| Béléké, Koui | None |
| Béthanie, Koui | None |
| Bita, Koui | None |
| Boboye, Koui | None |
| Bocaranga, Koui | None |
| Bogang, Koui | None |
| Bogang-Méré, Koui | None |
| Bomango, Koui | None |
| Bomari, Koui | None |
| Bonawala, Koui | None |
| Boranguel, Koui | None |
| Bossabina, Koui | None |
| Bossabina Sokorta, Koui | None |
| Bouyay-Koubouli, Koui | None |
| Bouzou, Koui | None |
| Bouzou Pana, Koui | None |
| Bowaï, Koui | None |
| Boya-Wantounou, Koui | None |
| Boyaye Baria, Koui | None |
| Boyaye Boyongo, Koui | None |
| Bozokwé, Koui | None |
| Daré Koussi, Koui | None |
| Postal Codes in Koui | |
|---|---|
| Koui, Koui | |