| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Oborhia, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Oke-Ikpe, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Owo-Ala, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Owo-Asa, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Umuadienwe, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Umuebulugwu, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Umuiku, Ozar Ukwu | 452109 |
| Postal/ZIP Codes in Umunteke, Ozar Ukwu | 452109 |