| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Umu Ugba, Omoba | 451112 |
| Postal/ZIP Codes in Umuagu, Omoba | 451112 |
| Postal/ZIP Codes in Umuamosi, Omoba | 451112 |
| Postal/ZIP Codes in Umuezechi, Omoba | 451112 |
| Postal/ZIP Codes in Umuikea, Omoba | 451112 |
| Postal/ZIP Codes in Umuire, Omoba | 451112 |
| Postal/ZIP Codes in Umuokoroukwu, Omoba | 451112 |
| Postal/ZIP Codes in Umuoleihe, Omoba | 451112 |