| Place | Post Code |
|---|---|
| Ilat-Bote, Goulolo | None |
| Malilia, Goulolo | None |
| Poetete, Goulolo | None |
| Suriubu, Goulolo | None |
| All postal codes in Cailaco | |
|---|---|
| Atudara, Cailaco | |
| Dau Udo, Cailaco | |
| Goulolo, Cailaco | |
| Guenu Lai, Cailaco | |
| Manapa, Cailaco | |
| Meligo, Cailaco | |
| Purugua, Cailaco | |
| Raiheu, Cailaco | |