| Lieu | Code postal |
|---|---|
| Abuma, Ututu | 442102 |
| Amaebem, Ututu | 442102 |
| Amaeke, Ututu | 442102 |
| Amakpofia, Ututu | 442102 |
| Amankwu, Ututu | 442102 |
| Amasa, Ututu | 442102 |
| Amatiti, Ututu | 442102 |
| Amodu, Ututu | 442102 |
| Eziama, Ututu | 442102 |
| Nkpakpi, Ututu | 442102 |
| Obiagwulu, Ututu | 442102 |
| Obiakana, Ututu | 442102 |
| Obiene, Ututu | 442102 |
| Obijoma, Ututu | 442102 |
| Obiluoko, Ututu | 442102 |
| Ohomja, Ututu | 442102 |
| Ubila, Ututu | 442102 |
| Ugwo-Ogo, Ututu | 442102 |
| Ukwuakwu, Ututu | 442102 |
| Codes postaux en Arochukwu | |
|---|---|
| Amaeke Abam, Arochukwu | |
| Arochukwu, Arochukwu | |
| Ihechiowa, Arochukwu | |
| Isu, Arochukwu | |
| Ohafor, Arochukwu | |
| Ovukwu Abam, Arochukwu | |
| Ututu, Arochukwu | |