| Place | Postal Code |
|---|---|
| Alakahia, Obio / Akpo | 500102 |
| Atali, Obio / Akpo | 500102 |
| Cheba, Obio / Akpo | 500102 |
| Egbelu, Obio / Akpo | 500102 |
| Elelenwe, Obio / Akpo | 500102 |
| Elimgbu, Obio / Akpo | 500102 |
| Eliozu, Obio / Akpo | 500102 |
| Elipparanwo, Obio / Akpo | 500102 |
| Eneka, Obio / Akpo | 500102 |
| Iriebe, Obio / Akpo | 500102 |
| Iwofe, Obio / Akpo | 500102 |
| Megbuesilaru, Obio / Akpo | 500102 |
| Mgbuoba, Obio / Akpo | 500102 |
| Mpakurche, Obio / Akpo | 500102 |
| Nkpa, Obio / Akpo | 500102 |
| Nkpelu-p, Obio / Akpo | 500102 |
| Ogbogoro, Obio / Akpo | 500102 |
| Oginigba, Obio / Akpo | 500102 |
| Ore- Igwe, Obio / Akpo | 500102 |
| Rukpokwo, Obio / Akpo | 500102 |
| Rukpolu -Obio, Obio / Akpo | 500102 |
| Rumolumeni, Obio / Akpo | 500102 |
| Rumu -okwurusi, Obio / Akpo | 500102 |
| Rumuadaolu, Obio / Akpo | 500102 |
| Rumuahalu, Obio / Akpo | 500102 |
| Rumuchiorlu, Obio / Akpo | 500102 |
| Postal Codes in Obio/Akpor | |
|---|---|
| Obio / Akpo, Obio/Akpor | |