| Place | Postal Code |
|---|---|
| Mbu-Agu-Udene, Mbu Amon | 412104 |
| Mbu-Ajona, Mbu Amon | 412104 |
| Mbu-Akpoti, Mbu Amon | 412104 |
| Mbu-Akpuoga, Mbu Amon | 412104 |
| Mbu-Amon, Mbu Amon | 412104 |
| Oka-Egbera, Mbu Amon | 412104 |
| Ugwuoke-None, Mbu Amon | 412104 |
| Postal Codes in Isi Uzo | |
|---|---|
| Eha-Amufu, Isi Uzo | |
| Ikem, Isi Uzo | |
| Mbu Amon, Isi Uzo | |
| Neke, Isi Uzo | |
| Umuero, Isi Uzo | |