| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agbalenyi, Ojo River | 401145 |
| Postal/ZIP Codes in Agu-Ugwu, Ojo River | 401145 |
| Postal/ZIP Codes in Central, Ojo River | 401145 |
| Postal/ZIP Codes in Dodo, Ojo River | 401145 |
| Postal/ZIP Codes in Ojia-Oyi, Ojo River | 401145 |
| Postal/ZIP Codes in Ojinato, Ojo River | 401145 |
| Postal/ZIP Codes in Ugwunzu, Ojo River | 401145 |