| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Eziumubo, Umumbo | 433111 |
| Postal/ZIP Codes in Iboji, Umumbo | 433111 |
| Postal/ZIP Codes in Ifitora, Umumbo | 433111 |
| Postal/ZIP Codes in Ikenga, Umumbo | 433111 |
| Postal/ZIP Codes in Isamoyi, Umumbo | 433111 |
| Postal/ZIP Codes in Obiri, Umumbo | 433111 |
| Postal/ZIP Codes in Obunze, Umumbo | 433111 |
| Postal/ZIP Codes in Uga, Umumbo | 433111 |