| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Achara, Umuchu | 422123 |
| Postal/ZIP Codes in Akukwa, Umuchu | 422123 |
| Postal/ZIP Codes in Ameihe, Umuchu | 422123 |
| Postal/ZIP Codes in Ibughuba, Umuchu | 422123 |
| Postal/ZIP Codes in Ogwugwu, Umuchu | 422123 |
| Postal/ZIP Codes in Osote, Umuchu | 422123 |
| Postal/ZIP Codes in Ugwuakwu, Umuchu | 422123 |
| Postal/ZIP Codes in Umugana, Umuchu | 422123 |