| General Information about Area Code 618 | |
|---|---|
| Country | United States |
| State / Province / Territory | Illinois |
| Major City | Belleville |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 618-452 | Granite City | Madison | Landline |
| 618-704 | Shobonier | Fayette | Wireless |
| 618-269 | Shawneetown | Gallatin | Landline |
| 618-434 | Carbondale | Jackson | Wireless |
| 618-287 | Elizabethtown | Hardin | Landline |
| 618-647 | Broughton | Hamilton | Landline |
| 618-458 | Waterloo | Monroe | Landline |
| 618-246 | Mount Vernon | Jefferson | Landline |
| 618-429 | Olney | Richland | Landline |
| 618-685 | Murphysboro | Jackson | Landline |
| 618-394 | Fairview Heights | Saint Clair | Landline |
| 618-722 | Belleville | Saint Clair | Landline |
| 618-487 | Mode | Shelby | Landline |
| 618-633 | Alhambra | Madison | Landline |
| 618-638 | Metropolis | Massac | Landline |
| 618-790 | Du Quoin | Perry | Landline |
| 618-387 | Carmi | White | Landline |
| 618-479 | Salem | Marion | Landline |
| 618-514 | Caseyville | Saint Clair | Wireless |
| 618-481 | Brighton | Macoupin | Landline |