| 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 |
|---|---|---|---|
| 618-244 | Mount Vernon | Jefferson | Landline |
| 618-913 | Chester | Randolph | Landline |
| 618-554 | Robinson | Crawford | Wireless |
| 618-619 | Godfrey | Madison | Landline |
| 618-230 | Caseyville | Saint Clair | Landline |
| 618-654 | Highland | Madison | Landline |
| 618-952 | Johnston City | Williamson | Landline |
| 618-954 | Caseyville | Saint Clair | Wireless |
| 618-344 | Collinsville | Madison | Landline |
| 618-515 | East Saint Louis | Saint Clair | Wireless |
| 618-656 | Edwardsville | Madison | Landline |
| 618-205 | Collinsville | Madison | Landline |
| 618-614 | Anna | Union | Landline |
| 618-981 | Carterville | Williamson | Landline |
| 618-939 | Waterloo | Monroe | Landline |
| 618-821 | Louisville | Clay | Landline |
| 618-314 | Nashville | Washington | Wireless |
| 618-603 | Benton | Franklin | Wireless |
| 618-651 | Highland | Madison | Landline |
| 618-449 | Sparta | Randolph | Landline |