| Place | Post Code |
|---|---|
| Batu Awu, Siompu | 93743 |
| Biwinapada, Siompu | 93743 |
| Kaimbulawa, Siompu | 93743 |
| Karae, Siompu | 93743 |
| Lapara, Siompu | 93743 |
| Lontoi, Siompu | 93743 |
| Nggula-Nggula, Siompu | 93743 |
| Tongali, Siompu | 93743 |
| Waindawula, Siompu | 93743 |
| Wakinamboro, Siompu | 93743 |