| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alaku, Okaba | 99638 |
| Postal/ZIP Codes in Alatep, Okaba | 99638 |
| Postal/ZIP Codes in Dufmira, Okaba | 99638 |
| Postal/ZIP Codes in Es Wambi, Okaba | 99638 |
| Postal/ZIP Codes in Iwol, Okaba | 99638 |
| Postal/ZIP Codes in Makaling, Okaba | 99638 |
| Postal/ZIP Codes in Okaba, Okaba | 99638 |
| Postal/ZIP Codes in Sanggase, Okaba | 99638 |
| Postal/ZIP Codes in Wambi, Okaba | 99638 |