| Locality | Post Code |
|---|---|
| Alexandria, Madison | 46001 |
| Anderson, Madison | 46011, 46012, 46013, 46016, 46017 |
| Chesterfield, Madison | 46017 |
| Country Club Heights, Madison | 46011 |
| Curtisville, Madison | 46036 |
| Duck Creek, Madison | 46036 |
| Elwood, Madison | 46036 |
| Emporia, Madison | 46056 |
| Frankton, Madison | 46044 |
| Huntsville, Madison | 46064 |
| Ingalls, Madison | 46048 |
| Lapel, Madison | 46051 |
| Leisure, Madison | 46036 |
| Markleville, Madison | 46056 |
| Meadowood Estates, Madison | 46036 |
| New Lancaster, Madison | 46036 |
| Orestes, Madison | 46063 |
| Pendleton, Madison | 46064 |
| Pipe Creek, Madison | 46036 |
| Rigdon, Madison | 46036 |
| River Forest, Madison | 46011 |
| Summitville, Madison | 46070 |
| West Elwood, Madison | 46036 |
| Woodlawn Heights, Madison | 46011 |