| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Amuda, Umunze | 423101 |
| Postal/ZIP Codes in Lomu, Umunze | 423101 |
| Postal/ZIP Codes in Nsogwu, Umunze | 423101 |
| Postal/ZIP Codes in Ozara, Umunze | 423101 |
| Postal/ZIP Codes in Ubaha, Umunze | 423101 |
| Postal/ZIP Codes in Ugwunano, Umunze | 423101 |
| Postal/ZIP Codes in Umuizo, Umunze | 423101 |
| Postal/ZIP Codes in Ururo, Umunze | 423101 |