Oji River Local Government Area (LGA) of Enugu State, Nigeria, has several districts that all use different postal or zip codes.
Here are the postal codes for Oji River LGA:
Achi
| Location | Postal Code |
| Achiagu | 401147 |
| Adu | 401147 |
| Agbadalna | 401147 |
| Ahani | 401147 |
| Akwu | 401147 |
| Amaetit | 401147 |
| Amankpunator | 401147 |
| Egwu Achi | 401147 |
| Elhuhe | 401147 |
| Enugu Achi | 401147 |
| Ihe | 401147 |
| Isikwe | 401147 |
| Nkpokoro | 401147 |
| Umumba | 401147 |
Akpugeze
| Location | Postal Code |
| Abo | 401150 |
| Amagu | 401150 |
| Egbe-Agu | 401150 |
| Ofechem | 401150 |
| Ofemili | 401150 |
| Umudim | 401150 |
| Umuokpara | 401150 |
Awlaw
| Location | Postal Code |
| Etiti | 401149 |
| Isiama | 401149 |
| Nkwuni | 401149 |
| Ubahu | 401149 |
Inyi
| Location | Postal Code |
| Agbalidi | 401148 |
| Akwu | 401148 |
| Alaocha Nkwerre | 401148 |
| Alum | 401148 |
| Amankwo | 401148 |
| Enugu-Inyi | 401148 |
| Nkwerri-Inyi | 401148 |
| Obune | 401148 |
| Umuagu | 401148 |
| Umuome | 401148 |
Oji River
| Location | Postal Code |
| Agbalenyi | 401145 |
| Agu-Ugwu | 401145 |
| Central | 401145 |
| Dodo | 401145 |
| Ojia-Oyi | 401145 |
| Ojinato | 401145 |
| Ugwunzu | 401145 |
Ugwuoba
| Location | Postal Code |
| Agolo | 401146 |
| Aguabosi | 401146 |
| Agungwu | 401146 |
| Agunwu-Ogboo | 401146 |
| Efulu | 401146 |
| Egbeagu | 401146 |
| Ezi-Achi | 401146 |
| Nkpagu | 401146 |
| Obiagu | 401146 |
| Ogbudu | 401146 |
| Okpudu | 401146 |
| Okwe | 401146 |
| Uide | 401146 |
| Umalu | 401146 |
| Umualu | 401146 |
| Umuomu | 401146 |
| Updata | 401146 |