16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 62812 | Benton | 11,611 |
| 62896 | West Frankfort | 10,627 |
| 62884 | Sesser | 2,758 |
| 62822 | Christopher | 2,581 |
| 62890 | Thompsonville | 2,377 |
| 62865 | Mulkeytown | 2,037 |
| 62983 | Royalton | 1,728 |
| 62999 | Zeigler | 1,267 |
| 62836 | Ewing | 891 |
| 62897 | Whittington | 542 |
| 62891 | Valier | 514 |
| 62874 | Orient | 440 |
| 62860 | Macedonia | 384 |
| 62856 | Logan | 332 |
| 62825 | Coello | 254 |
| 62819 | Buckner | 247 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Franklin County, Illinois (US Census).