| Place | Post Code |
|---|---|
| Amankwo, Mbutu | 451114 |
| Egbelu-Mnbutu/Umuokere, Mbutu | 451114 |
| Obekwesu, Mbutu | 451114 |
| Okungwu, Mbutu | 451114 |
| Owerrinta, Mbutu | 451114 |
| Uhum, Mbutu | 451114 |
| Umogwu, Mbutu | 451114 |
| Umuduru, Mbutu | 451114 |
| Umuekwe, Mbutu | 451114 |
| Umueleke, Mbutu | 451114 |
| Umuezeocha, Mbutu | 451114 |
| Umuichi, Mbutu | 451114 |
| Umuocheala-Umuokorie, Mbutu | 451114 |
| Umuojima Efene, Mbutu | 451114 |
| Umuojima-Ukwu, Mbutu | 451114 |
| Umuokwu Umuagu, Mbutu | 451114 |
| Umuosisi, Mbutu | 451114 |
| Umuosoala, Mbutu | 451114 |
| Waterside, Mbutu | 451114 |