| Place | Postal Code |
|---|---|
| Bagondo, Ruharambuga | None |
| Bashanga, Ruharambuga | None |
| Bigutu, Ruharambuga | None |
| Bumazi, Ruharambuga | None |
| Cyimpundu, Ruharambuga | None |
| Gihinga, Ruharambuga | None |
| Giko, Ruharambuga | None |
| Kadashya, Ruharambuga | None |
| Kagabiro, Ruharambuga | None |
| Kamonyi, Ruharambuga | None |
| Kanazi, Ruharambuga | None |
| Kanyovu, Ruharambuga | None |
| Karambo, Ruharambuga | None |
| Kigabiro, Ruharambuga | None |
| Kigogo, Ruharambuga | None |
| Kirabacuta, Ruharambuga | None |
| Lyakigaju, Ruharambuga | None |
| Manzi, Ruharambuga | None |
| Muko, Ruharambuga | None |
| Nganzo, Ruharambuga | None |
| Nyagatongo, Ruharambuga | None |
| Nyamuhunga, Ruharambuga | None |
| Ribiha, Ruharambuga | None |
| Rukoma, Ruharambuga | None |
| Rusambu, Ruharambuga | None |
| Rwabidege, Ruharambuga | None |