| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Amawo, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Eziama, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Ohaukali, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Ugwuntu, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Umuezebele, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Umuihu, Umun-Nekwu | 441105 |
| Postal/ZIP Codes in Umura, Umun-Nekwu | 441105 |