| Place | Post Code |
|---|---|
| Ambaidiru, Kosiwo | 98632 |
| Ariepi, Kosiwo | 98632 |
| Ariepi Dua, Kosiwo | 98632 |
| Aromarea, Kosiwo | 98632 |
| Kamanap, Kosiwo | 98632 |
| Kanawa, Kosiwo | 98632 |
| Mambo, Kosiwo | 98632 |
| Manainin, Kosiwo | 98632 |
| Mariarotu, Kosiwo | 98632 |
| Numaman, Kosiwo | 98632 |
| Panduami, Kosiwo | 98632 |
| Ramangkurani, Kosiwo | 98632 |
| Sarawandori Dua, Kosiwo | 98632 |
| Serawandori, Kosiwo | 98632 |
| Tatui, Kosiwo | 98632 |