| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Aïn El Ksar, Ouled Sidi Ahmed | 19002 |
| Postal/ZIP Codes in Ouled Aicha, Ouled Sidi Ahmed | 19002 |
| Postal/ZIP Codes in Ouled Si Ahmed, Ouled Sidi Ahmed | 19121, 19003 |
| Postal/ZIP Codes in Ouled Si Yahia, Ouled Sidi Ahmed | 19002 |