| Locality | Post Code |
|---|---|
| Bucktown, Sullivan | 47838 |
| Carlisle, Sullivan | 47838 |
| Curry, Sullivan | 47879 |
| Dodds Bridge, Sullivan | 47849 |
| Dugger, Sullivan | 47848 |
| East Shelburn, Sullivan | 47879 |
| Ellis, Sullivan | 47848 |
| Fairbanks, Sullivan | 47849 |
| Farmersburg, Sullivan | 47850 |
| Gambill, Sullivan | 47848 |
| Gill, Sullivan | 47861 |
| Graysville, Sullivan | 47852 |
| Haddon, Sullivan | 47838 |
| Hymera, Sullivan | 47855 |
| Jackson Hill, Sullivan | 47879 |
| Lake Sullivan, Sullivan | 47882 |
| Merom, Sullivan | 47861 |
| New Lebanon, Sullivan | 47882 |
| Paxton, Sullivan | 47865 |
| Pleasantville, Sullivan | 47838 |
| Riverton, Sullivan | 47861 |
| Riverview, Sullivan | 47849 |
| Scott City, Sullivan | 47879 |
| Shelburn, Sullivan | 47879 |
| Sullivan, Sullivan | 47882 |
| Turman, Sullivan | 47882 |