| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bukangara, Siza | None |
| Postal/ZIP Codes in Gahako, Siza | None |
| Postal/ZIP Codes in Kibuye, Siza | None |
| Postal/ZIP Codes in Mukweje, Siza | None |
| Postal/ZIP Codes in Nyemanga, Siza | None |
| Postal/ZIP Codes in Takwe, Siza | None |