| Place | Post Code |
|---|---|
| Rang'Ala, Sidindi | 40600 |
| Ruwe, Sidindi | 40600 |
| Sidindi, Sidindi | 40605 |
| Simenya, Sidindi | 40600 |
| Uhuyi, Sidindi | 40600 |
| Yiro East, Sidindi | 40600 |
| Yiro West, Sidindi | 40600 |
| All postal codes in Ugunja | |
|---|---|
| Sidindi, Ugunja | |
| Sigomere, Ugunja | |
| Ugunja, Ugunja | |