| Localité | Code postal |
|---|---|
| Ballardsville, Oldham | 40014 |
| Buckner, Oldham | 40010 |
| Crestwood, Oldham | 40014 |
| Goshen, Oldham | 40026 |
| La Grange, Oldham | 40031 |
| Orchard Grass, Oldham | 40014 |
| Orchard Grass Hills, Oldham | 40014 |
| Pendleton, Oldham | 40055 |
| Pewee Valley, Oldham | 40056 |
| Prospect, Oldham | 40059 |
| Smithfield, Oldham | 40068 |
| Westport, Oldham | 40077 |