| Place | Postal Code |
|---|---|
| Birwa, Gashaki | None |
| Buganji, Gashaki | None |
| Buhura, Gashaki | None |
| Burembo, Gashaki | None |
| Burengo, Gashaki | None |
| Butareme, Gashaki | None |
| Cyanika, Gashaki | None |
| Gasabeya, Gashaki | None |
| Gaseke, Gashaki | None |
| Gashaki, Gashaki | None |
| Gitega, Gashaki | None |
| Gitonya, Gashaki | None |
| Kageyo, Gashaki | None |
| Kigabiro, Gashaki | None |
| Kirwa, Gashaki | None |
| Lyandinzi, Gashaki | None |
| Muskera, Gashaki | None |
| Ntarama, Gashaki | None |
| Nyagahondo, Gashaki | None |
| Ruhangiro, Gashaki | None |
| Ruhehe, Gashaki | None |
| Ruma, Gashaki | None |
| Ryandinzi, Gashaki | None |
| Shanga, Gashaki | None |