| Ort | Postleitzahl |
|---|---|
| Buyanja, Gahini | None |
| Gahini, Gahini | None |
| Ibiza, Gahini | None |
| Juru, Gahini | None |
| Kamundongo, Gahini | None |
| Kinyinya, Gahini | None |
| Kiyenzi, Gahini | None |
| Micanzigo, Gahini | None |
| Nyabombe, Gahini | None |
| Nyagahandagaza, Gahini | None |
| Nyakabungo, Gahini | None |
| Nyamiyaga, Gahini | None |
| Rubaliro, Gahini | None |
| Rugarama, Gahini | None |
| Rwinkuba, Gahini | None |
| Umwige, Gahini | None |