| Place | Post Code |
|---|---|
| Amakpuma, Ukawu | 491109 |
| Amofia, Ukawu | 491109 |
| Azueonyi-Sub-Village, Ukawu | 491109 |
| Ebulike, Ukawu | 491109 |
| Ishinkwor, Ukawu | 491109 |
| Ochege-Sub-Village, Ukawu | 491109 |
| Okuzu I, Ukawu | 491109 |
| Okuzu II, Ukawu | 491109 |
| Okuzu Ngu-Enyi, Ukawu | 491109 |
| All postal codes in Onicha | |
|---|---|
| Abaomege, Onicha | |
| Isu, Onicha | |
| Onicha, Onicha | |
| Shiri, Onicha | |
| Ukawu, Onicha | |