| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in El Hadjadj, El Hadjadj | 02050 |
| Postal/ZIP Codes in Ouled Yahia, El Hadjadj | 02060, 02036 |
| Postal Codes in Ouled Ben Abdelkader | |
|---|---|
| Postal/ZIP Codes in El Hadjadj, Ouled Ben Abdelkader (الحجاج) | |
| Postal/ZIP Codes in Ouled Ben Abdelkader, Ouled Ben Abdelkader (أولاد بن عبد القادر) | |