Ijumu Local Government Area in Kogi State uses postal codes is 261103.
Here are the postal codes for the towns and districts in Ijumu:
| Place/Area | Postal code |
| Okoro-Gbede | 261103 |
| Origa | 261103 |
| Oton-Ade | 261103 |
| Otungba | 261103 |
| Aduge | 261103 |
| Igo-Igere | 261103 |
| Agirigbobn-Oke | 261103 |
| Ikoyi | 261103 |
| Aiyegunle Gbede | 261103 |
| Iluagba | 261103 |
| Aiyeotro-Gbrdde | 261103 |
| Iyah-Gbede | 261103 |
| Aiyere Ayere | 261103 |
| Iyamoye | 261103 |
| Araromi-Gbede | 261103 |
| Iyara | 261103 |
| Arima | 261103 |
| Kakuma | 261103 |
| Ayeh-Gbede | 261103 |
| Odokoro-Gbede | 261103 |
| Egbeda Egga | 261103 |
| Ogale-Ayede | 261103 |
| Egbedsyere- | 261103 |
| Ogale-Idi-Oro | 261103 |
| Ekinrin Adde | 261103 |
| Ogidi | 261103 |
| Iffe | 261103 |
| Okejumu | 261103 |
| Iffe Tedo | 261103 |
| Ifihafom | 261103 |
| Igbolsyere- | 261103 |
| Igbopin-Okeouju | 261103 |