| Place | Post Code |
|---|---|
| Adni, Irdjen | 15039 |
| Ait Aouamar, Irdjen | 15039 |
| Ait Hague, Irdjen | 15039 |
| Ait Halli, Irdjen | 15039 |
| Ait Said Ouzegane, Irdjen | 15039 |
| Ait Yakoub, Irdjen | 15039 |
| Boudjellil, Irdjen | 15039 |
| Bousmahel, Irdjen | 15039 |
| El Babe, Irdjen | 15039 |
| El Had, Irdjen | 15039 |
| Ibahlal, Irdjen | 15160, 15039 |
| Ighil Ifiras, Irdjen | 15039 |
| Ighil Nesouk, Irdjen | 15039 |
| Irdjen, Irdjen | 15039 |
| Issedarene, Irdjen | 15039 |
| Mahriz, Irdjen | 15039 |
| Taghanimt, Irdjen | 15039 |
| Tamazirt, Irdjen | 15002, 15039 |
| Tazeka Zitoun, Irdjen | 15039 |
| Thajroute, Irdjen | 15039 |
| All postal codes in Larbaâ Nath Irathen | |
|---|---|
| آيت أقواشة (Ait Aggouacha, Larbaâ Nath Irathen) | |
| ارجن (Irdjen, Larbaâ Nath Irathen) | |
| الاربعاء نايت ايراثن (Larba Nait Irathen, Larbaâ Nath Irathen) | |