| Place | Postal Code |
|---|---|
| Ajuba, Osi | 252104 |
| Araromi-Opin, Osi | 252104 |
| Are-Opin, Osi | 252104 |
| Ejiku, Osi | 252104 |
| Epe-Opin, Osi | 252104 |
| Etan, Osi | 252104 |
| Ibare, Osi | 252104 |
| Idera-Opin, Osi | 252104 |
| Ikerin-Opin, Osi | 252104 |
| Isale-Opin, Osi | 252104 |
| Isolo-Opin, Osi | 252104 |
| Obo-Opin, Osi | 252104 |
| Oke-Opin, Osi | 252104 |
| Osi-Opin, Osi | 252104 |
| Owafun-Opin, Osi | 252104 |
| Postal Codes in Ekiti | |
|---|---|
| Obo-Eruku, Ekiti | |
| Osi, Ekiti | |