| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ezunenyi, Umunkwo | 471110 |
| Postal/ZIP Codes in Ndiowere, Umunkwo | 471110 |
| Postal/ZIP Codes in Nneato, Umunkwo | 471110 |
| Postal/ZIP Codes in Umuago, Umunkwo | 471110 |
| Postal/ZIP Codes in Umuduruebika, Umunkwo | 471110 |
| Postal/ZIP Codes in Umuizi, Umunkwo | 471110 |
| Postal/ZIP Codes in Umuonyi, Umunkwo | 471110 |
| Postal/ZIP Codes in Umuozuga, Umunkwo | 471110 |