| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bibikem, Ilwayab | 99640 |
| Postal/ZIP Codes in Padua, Ilwayab | 99640 |
| Postal/ZIP Codes in Sigad, Ilwayab | 99640 |
| Postal/ZIP Codes in Uli Uli, Ilwayab | 99640 |
| Postal/ZIP Codes in Wanam, Ilwayab | 99640 |
| Postal/ZIP Codes in Wogekel, Ilwayab | 99640 |