| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kalalani, Mashewa | 21627 |
| Postal/ZIP Codes in Kijungu Moto, Mashewa | 21627 |
| Postal/ZIP Codes in Kulasi Kibaoni, Mashewa | 21627 |
| Postal/ZIP Codes in Kwetonge, Mashewa | 21627 |
| Postal/ZIP Codes in Mashewa, Mashewa | 21627 |
| Postal/ZIP Codes in Mtoni Bombo, Mashewa | 21627 |