| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ahuwa, Oboro | 440109 |
| Postal/ZIP Codes in Amaoba-Ikputu, Oboro | 440109 |
| Postal/ZIP Codes in Amaoba-Ime, Oboro | 440109 |
| Postal/ZIP Codes in Amawom, Oboro | 440109 |
| Postal/ZIP Codes in Aro-Ajatakiri, Oboro | 440109 |
| Postal/ZIP Codes in Aro-Anyama, Oboro | 440109 |
| Postal/ZIP Codes in Ekebedi, Oboro | 440109 |
| Postal/ZIP Codes in Isiala, Oboro | 440109 |
| Postal/ZIP Codes in Ndioro, Oboro | 440109 |
| Postal/ZIP Codes in Nnono, Oboro | 440109 |
| Postal/ZIP Codes in Ntalakwu, Oboro | 440109 |
| Postal/ZIP Codes in Obunta, Oboro | 440109 |
| Postal/ZIP Codes in Okwe, Oboro | 440109 |
| Postal/ZIP Codes in Ugbegbule, Oboro | 440109 |
| Postal/ZIP Codes in Umuariaga, Oboro | 440109 |
| Postal/ZIP Codes in Umudike, Oboro | 440109 |
| Postal/ZIP Codes in Umugbalu, Oboro | 440109 |
| Postal/ZIP Codes in Umuigu, Oboro | 440109 |
| Postal/ZIP Codes in Umuokwo, Oboro | 440109 |