Irewole Postal Codes are 234201 – 234203. Irewole is located in Osun State, South West Geopolitical Zone of Nigeria. Here are the postcodes for the streets in Irewole:
| Place/Area | Postal Code |
| Arinkin | 221104 |
| Ayetoro | 221104 |
| Balogun | 221104 |
| Bamgbola | 221104 |
| Bamidele | 221104 |
| Fidiwo | 221104 |
| Ikire Township | 221104 |
| Majeroku | 221104 |
| Molarere | 221104 |
| Odeyinka | 221104 |
| Oloowa | 221104 |
| Wasinmi | 221104 |