| Lieu | Code postal |
|---|---|
| Ama-Agu, Okpatu | 401118 |
| Ama Egbu, Okpatu | 401118 |
| Amachalla, Okpatu | 401118 |
| Amani-Okpatu, Okpatu | 401118 |
| Amaonugbu, Okpatu | 401118 |
| Amoka, Okpatu | 401118 |
| Amukwu, Okpatu | 401118 |
| Eziama, Okpatu | 401118 |
| Obiagu, Okpatu | 401118 |
| Umeneme, Okpatu | 401118 |
| Umuchime, Okpatu | 401118 |
| Umuene, Okpatu | 401118 |