| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Eldume, Ilchamus | 30400 |
| Postal/ZIP Codes in Ilngarua, Ilchamus | 30400 |
| Postal/ZIP Codes in Meisori, Ilchamus | 30400 |
| Postal/ZIP Codes in Ngambo, Ilchamus | 30400 |
| Postal/ZIP Codes in Salaban, Ilchamus | 30400 |
| Postal/ZIP Codes in Sintaan, Ilchamus | 30400 |