| Place | Post Code |
|---|---|
| Amutenyi, Obollo-Eke | 412107 |
| Ibenda, Obollo-Eke | 412107 |
| Iheakpu, Obollo-Eke | 412107 |
| Nkpunato, Obollo-Eke | 412107 |
| Odobido, Obollo-Eke | 412107 |
| Ogwu, Obollo-Eke | 412107 |
| Ohulor, Obollo-Eke | 412107 |
| Okpaligbo, Obollo-Eke | 412107 |
| Ugbabe-Uwani, Obollo-Eke | 412107 |
| Umu-Azojo, Obollo-Eke | 412107 |
| All postal codes in Udenu | |
|---|---|
| Amalla, Udenu | |
| Ezimo, Udenu | |
| Imilike, Udenu | |
| Obollo-Afor, Udenu | |
| Obollo-Eke, Udenu | |
| Obollo-Etti, Udenu | |
| Ogbodu-Aba, Udenu | |
| Orba, Udenu | |
| Udunedem, Udenu | |