| Place |
Post Code |
| Ahuwa, Oboro |
440109 |
| Amaoba-Ikputu, Oboro |
440109 |
| Amaoba-Ime, Oboro |
440109 |
| Amawom, Oboro |
440109 |
| Aro-Ajatakiri, Oboro |
440109 |
| Aro-Anyama, Oboro |
440109 |
| Ekebedi, Oboro |
440109 |
| Isiala, Oboro |
440109 |
| Ndioro, Oboro |
440109 |
| Nnono, Oboro |
440109 |
| Ntalakwu, Oboro |
440109 |
| Obunta, Oboro |
440109 |
| Okwe, Oboro |
440109 |
| Ugbegbule, Oboro |
440109 |
| Umuariaga, Oboro |
440109 |
| Umudike, Oboro |
440109 |
| Umugbalu, Oboro |
440109 |
| Umuigu, Oboro |
440109 |
| Umuokwo, Oboro |
440109 |
| All postal codes in Ikwuano |
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| Nwkoachara, Ikwuano |
| Oboro, Ikwuano |
| Old Umu-Ahia, Ikwuano |
| Olo-Koro, Ikwuano |
| Oloko, Ikwuano |
| Omuegwu, Ikwuano |
| Uba-Kala, Ikwuano |
| Umuhu, Ikwuano |
| Umuo-Para, Ikwuano |