| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agolo, Ugwuoba | 401146 |
| Postal/ZIP Codes in Aguabosi, Ugwuoba | 401146 |
| Postal/ZIP Codes in Agungwu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Agunwu-Ogboo, Ugwuoba | 401146 |
| Postal/ZIP Codes in Efulu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Egbeagu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Ezi-Achi, Ugwuoba | 401146 |
| Postal/ZIP Codes in Nkpagu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Obiagu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Ogbudu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Okpudu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Okwe, Ugwuoba | 401146 |
| Postal/ZIP Codes in Uide, Ugwuoba | 401146 |
| Postal/ZIP Codes in Umalu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Umualu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Umuomu, Ugwuoba | 401146 |
| Postal/ZIP Codes in Updata, Ugwuoba | 401146 |