| 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 |
|---|---|---|---|
| 618-723 | Noble | Richland | Landline |
| 618-251 | Wood River | Madison | Landline |
| 618-992 | Marion | Williamson | Landline |
| 618-898 | Johnsonville | Wayne | Landline |
| 618-665 | Louisville | Clay | Landline |
| 618-708 | Sparta | Randolph | Wireless |
| 618-277 | Belleville | Saint Clair | Landline |
| 618-265 | New Haven | Gallatin | Landline |
| 618-754 | Dundas | Richland | Landline |
| 618-854 | Mount Erie | Wayne | Landline |
| 618-335 | Centralia | Marion | Wireless |
| 618-642 | Du Quoin | Perry | Landline |
| 618-469 | Robinson | Crawford | Landline |
| 618-534 | Carbondale | Jackson | Wireless |
| 618-309 | Metropolis | Massac | Landline |
| 618-993 | Marion | Williamson | Landline |
| 618-293 | Fairview Heights | Saint Clair | Landline |
| 618-200 | Benton | Franklin | Wireless |
| 618-558 | Caseyville | Saint Clair | Wireless |
| 618-965 | Steeleville | Randolph | Landline |