| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Batuinan, Semau | 85352 |
| Postal/ZIP Codes in Bokonusan, Semau | 85352 |
| Postal/ZIP Codes in Hansisi, Semau | 85352 |
| Postal/ZIP Codes in Huilelot, Semau | 85352 |
| Postal/ZIP Codes in Letbaun, Semau | 85352 |
| Postal/ZIP Codes in Otan, Semau | 85352 |
| Postal/ZIP Codes in Uiasa, Semau | 85352 |
| Postal/ZIP Codes in Uitao, Semau | 85352 |