| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Rumuwaji, Obio / Akpo | 500102 |
| Postal/ZIP Codes in Rumuwegwu, Obio / Akpo | 500102 |
| Postal/ZIP Codes in Runuobiakani, Obio / Akpo | 500102 |
| Postal/ZIP Codes in Uzuoba, Obio / Akpo | 500102 |
| Postal/ZIP Codes in Woji, Obio / Akpo | 500102 |
| Postal Codes in Obio/Akpor | |
|---|---|
| Postal/ZIP Codes in Obio / Akpo, Obio/Akpor | |