| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Obalu, Ozar West | 452110 |
| Postal/ZIP Codes in Obiga, Ozar West | 452110 |
| Postal/ZIP Codes in Umuituru, Ozar West | 452110 |
| Postal/ZIP Codes in Umukalu, Ozar West | 452110 |
| Postal/ZIP Codes in Umuokwo, Ozar West | 452110 |
| Postal/ZIP Codes in Umuorie, Ozar West | 452110 |