| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Agadabili, Umuolu | 322121 |
| Postal/ZIP Codes in Ugbome, Umuolu | 322121 |
| Postal/ZIP Codes in Umu-Ijolo, Umuolu | 322121 |
| Postal/ZIP Codes in Umu-Inalu, Umuolu | 322121 |
| Postal/ZIP Codes in Umu-Oji-Obele, Umuolu | 322121 |
| Postal/ZIP Codes in Umudu, Umuolu | 322121 |