| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Amauha, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Obiekwensu, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Okpuala, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Ovorji, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umiri, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umuakwa, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umuegoro, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umueleghele, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umuene, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umuowa, Ovu-Okwu | 451111 |
| Postal/ZIP Codes in Umurasi, Ovu-Okwu | 451111 |