| Place | Postal Code |
|---|---|
| Degaulle, Koui | None |
| Dewa, Koui | None |
| Dock, Koui | None |
| Douane, Koui | None |
| Douknoumou, Koui | None |
| Doza, Koui | None |
| Dozan, Koui | None |
| Garga, Koui | None |
| Gassol, Koui | None |
| Gbabiri, Koui | None |
| Gbabiri Boyaye, Koui | None |
| Gbabiri Nabemon, Koui | None |
| Gbafou, Koui | None |
| Gbenou, Koui | None |
| Géodi, Koui | None |
| Goumbou, Koui | None |
| Gounzai, Koui | None |
| Guenzi, Koui | None |
| Jean Basse, Koui | None |
| Kaita, Koui | None |
| Kayala, Koui | None |
| Kayan, Koui | None |
| Kéla mowélé, Koui | None |
| Koui, Koui | None |
| Kpocwan, Koui | None |
| Makounzi Wali, Koui | None |
| Postal Codes in Koui | |
|---|---|
| Koui, Koui | |