| Place | Post Code |
|---|---|
| Agbabi, Shiri | 491107 |
| Amagu, Shiri | 491107 |
| Amankalu, Shiri | 491107 |
| Amaocha, Shiri | 491107 |
| Amaokpara, Shiri | 491107 |
| Isieke, Shiri | 491107 |
| Isinkwor, Shiri | 491107 |
| Iyiazu, Shiri | 491107 |
| Mgoji, Shiri | 491107 |
| Owom, Shiri | 491107 |
| Ufuezokwu, Shiri | 491107 |
| Umuafia, Shiri | 491107 |
| Umuimam, Shiri | 491107 |
| Umumgbala, Shiri | 491107 |
| Umumgboke, Shiri | 491107 |
| Umuorie, Shiri | 491107 |
| All postal codes in Onicha | |
|---|---|
| Abaomege, Onicha | |
| Isu, Onicha | |
| Onicha, Onicha | |
| Shiri, Onicha | |
| Ukawu, Onicha | |