| Place | Post Code |
|---|---|
| Eziumubo, Umumbo | 433111 |
| Iboji, Umumbo | 433111 |
| Ifitora, Umumbo | 433111 |
| Ikenga, Umumbo | 433111 |
| Isamoyi, Umumbo | 433111 |
| Obiri, Umumbo | 433111 |
| Obunze, Umumbo | 433111 |
| Uga, Umumbo | 433111 |
| All postal codes in Ayamelum | |
|---|---|
| Anaku, Ayamelum | |
| Ifite Ogwari, Ayamelum | |
| Igbakwu, Ayamelum | |
| Omasi, Ayamelum | |
| Omor, Ayamelum | |
| Umueji, Ayamelum | |
| Umuerum, Ayamelum | |
| Umumbo, Ayamelum | |