| Place | Post Code |
|---|---|
| Ago Alamasi, Idoani | 341115 |
| Baale Village, Idoani | 341115 |
| Igbo Otagbe, Idoani | 341115 |
| Igbogburu, Idoani | 341115 |
| Kajola, Idoani | 341115 |
| Kekeri, Idoani | 341115 |
| Odoro, Idoani | 341115 |
| Ofunrun, Idoani | 341115 |
| Ogege Camp, Idoani | 341115 |
| Okikanmi, Idoani | 341115 |
| Olagbe, Idoani | 341115 |
| Omi Adun, Idoani | 341115 |
| Omireke, Idoani | 341115 |
| Osan Daji Camp, Idoani | 341115 |
| Otagboosa, Idoani | 341115 |
| Otalere, Idoani | 341115 |
| Otaloro, Idoani | 341115 |
| Sekere, Idoani | 341115 |
| Soleh Boneh, Idoani | 341115 |
| All 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 | |