| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Osiloji, Amavo | 453118 |
| Postal/ZIP Codes in Umudaba, Amavo | 453118 |
| Postal/ZIP Codes in Umuekpe, Amavo | 453118 |
| Postal/ZIP Codes in Umunankwoala, Amavo | 453118 |
| Postal/ZIP Codes in Umuokoroche, Amavo | 453118 |
| Postal/ZIP Codes in Umuoriaku, Amavo | 453118 |
| Postal/ZIP Codes in Umuorika, Amavo | 453118 |
| Postal/ZIP Codes in Umuoyonta, Amavo | 453118 |