| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chioke, Umutanze | 473111 |
| Postal/ZIP Codes in Obinator-Obor, Umutanze | 473111 |
| Postal/ZIP Codes in Okwuafor, Umutanze | 473111 |
| Postal/ZIP Codes in Uba-Na-Okpara, Umutanze | 473111 |
| Postal/ZIP Codes in Ubaha-Owerri, Umutanze | 473111 |
| Postal/ZIP Codes in Umualum, Umutanze | 473111 |
| Postal/ZIP Codes in Umudara, Umutanze | 473111 |
| Postal/ZIP Codes in Umunkwu-Umudim, Umutanze | 473111 |