| Locality | Post Code |
|---|---|
| Sesser, Franklin | 62884 |
| Six Mile, Franklin | 62999 |
| Steel City, Franklin | 62812 |
| Stiritz, Franklin | 62896 |
| Thompsonville, Franklin | 62890 |
| Urbain, Franklin | 62865 |
| Valier, Franklin | 62891 |
| West City, Franklin | 62812 |
| West End, Franklin | 62890 |
| West Frankfort, Franklin | 62896 |
| Whittington, Franklin | 62897 |
| Zeigler, Franklin | 62999 |