| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ajakpani, Umunya | 433104 |
| Postal/ZIP Codes in Amaezike, Umunya | 433104 |
| Postal/ZIP Codes in Eziumunya, Umunya | 433104 |
| Postal/ZIP Codes in Isioyo, Umunya | 433104 |
| Postal/ZIP Codes in Odumuode-Ani, Umunya | 433104 |
| Postal/ZIP Codes in Odumuodenu, Umunya | 433104 |
| Postal/ZIP Codes in Ojobi, Umunya | 433104 |
| Postal/ZIP Codes in Okpu, Umunya | 433104 |
| Postal/ZIP Codes in Ukunu, Umunya | 433104 |
| Postal/ZIP Codes in Umuebo, Umunya | 433104 |