| All postal codes in Bubanza |
| Buhororo, Bubanza |
| Buvyuko, Bubanza |
| Centre-Urbain, Bubanza |
| Ciya, Bubanza |
| Gahongore, Bubanza |
| Gatura, Bubanza |
| Gitanga, Bubanza |
| Karinzi, Bubanza |
| Kazeke, Bubanza |
| Kivyiru, Bubanza |
| Mitakataka, Bubanza |
| Mugimbu, Bubanza |
| Muhanza, Bubanza |
| Muhenga, Bubanza |
| Muramba, Bubanza |
| Mwanda, Bubanza |
| Ngara, Bubanza |
| Nyabitaka, Bubanza |
| Rugunga, Bubanza |
| Rurabo, Bubanza |
| Shari, Bubanza |
| Zina, Bubanza |