| Place | Post Code |
|---|---|
| Achra, Isuochi | 441111 |
| Amuda, Isuochi | 441111 |
| Ihie, Isuochi | 441111 |
| Lomara, Isuochi | 441111 |
| Mbala, Isuochi | 441111 |
| Ndiawa, Isuochi | 441111 |
| Ngodo, Isuochi | 441111 |
| Umuaku, Isuochi | 441111 |
| Umuelem, Isuochi | 441111 |
| All postal codes in Umu Nneochi | |
|---|---|
| Alokp-Anta, Umu Nneochi | |
| Isuochi, Umu Nneochi | |
| Nneato, Umu Nneochi | |
| Umuch-Ileze, Umu Nneochi | |