| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Igaganulwa, Dutwa | 39117 |
| Postal/ZIP Codes in Isenge, Dutwa | 39117 |
| Postal/ZIP Codes in Majengo, Dutwa | 39117 |
| Postal/ZIP Codes in Mwamabu, Dutwa | 39117 |
| Postal/ZIP Codes in Mwamondi, Dutwa | 39117 |
| Postal/ZIP Codes in Sengerema, Dutwa | 39117 |