| Place | Postal Code |
|---|---|
| Araromi, Ikaro | 341110 |
| Ikaro, Ikaro | 341110 |
| Odotori, Ikaro | 341110 |
| Uguru, Ikaro | 341110 |
| Ulema, Ikaro | 341110 |
| Postal Codes in Ose | |
|---|---|
| Afo, Ose | |
| Arimogija, Ose | |
| Idoani, Ose | |
| Idogun, Ose | |
| Ifon, Ose | |
| Ijagba, Ose | |
| Ikaro, Ose | |
| Imeri, Ose | |
| Imoru, Ose | |
| Okeluse, Ose | |
| Ute, Ose | |