| Lieu | Code postal |
|---|---|
| Butare, Mbazi | None |
| Gaseke, Mbazi | None |
| Gasharu, Mbazi | None |
| Gatwe, Mbazi | None |
| Gikoni, Mbazi | None |
| Gisiza, Mbazi | None |
| Gituntu, Mbazi | None |
| Gitwa I, Mbazi | None |
| Gitwa Il, Mbazi | None |
| Kabere, Mbazi | None |
| Kamenamutwe, Mbazi | None |
| Karambo, Mbazi | None |
| Kibumba, Mbazi | None |
| Kigarama, Mbazi | None |
| Kivomo, Mbazi | None |
| Mameresho, Mbazi | None |
| Mbazi, Mbazi | None |
| Muduha, Mbazi | None |
| Muhororo, Mbazi | None |
| Munanira, Mbazi | None |
| Ngambi, Mbazi | None |
| Ngara, Mbazi | None |
| Nyabiheke, Mbazi | None |
| Nyagishumbu, Mbazi | None |
| Ruseke, Mbazi | None |