| Place | Postal Code |
|---|---|
| Amirin, Idasen | 341104 |
| Ijegunmon, Idasen | 341104 |
| Ilale, Idasen | 341104 |
| Ilema, Idasen | 341104 |
| Isijogun, Idasen | 341104 |
| Keji, Idasen | 341104 |
| Ogain, Idasen | 341104 |
| Postal Codes in Owo | |
|---|---|
| Emure-Ile, Owo | |
| Idasen, Owo | |
| Ipele, Owo | |
| Isuada, Owo | |
| Iyere, Owo | |
| Owo (rural), Owo | |
| Upenmen, Owo | |
| Uso, Owo | |