| Place | Post Code |
|---|---|
| Betecaiana, Builale | None |
| Cailetiana, Builale | None |
| Caitarahu, Builale | None |
| Heni Uta, Builale | None |
| Liaro, Builale | None |
| All postal codes in Ossu | |
|---|---|
| Builale, Ossu | |
| Liaruca, Ossu | |
| Loi-huno, Ossu | |
| Nahareca, Ossu | |
| Ossorua, Ossu | |
| Ossu de Cima, Ossu | |
| Uabubo, Ossu | |
| Uaguia, Ossu | |
| Uaibobo, Ossu | |