| 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 |
|---|---|---|---|
| 618-617 | Thompsonville | Franklin | Landline |
| 618-326 | Mulberry Grove | Bond | Landline |
| 618-725 | Christopher | Franklin | Landline |
| 618-979 | Venice | Madison | Wireless |
| 618-523 | Germantown | Clinton | Landline |
| 618-903 | Cypress | Johnson | Landline |
| 618-873 | Marion | Williamson | Landline |
| 618-484 | Belleville | Saint Clair | Wireless |
| 618-773 | Mc Leansboro | Hamilton | Landline |
| 618-652 | Vienna | Johnson | Landline |
| 618-857 | East Saint Louis | Saint Clair | Landline |
| 618-755 | Texico | Jefferson | Landline |
| 618-871 | Allendale | Wabash | Landline |
| 618-982 | Marion | Williamson | Landline |
| 618-294 | Belleville | Saint Clair | Landline |
| 618-563 | Hutsonville | Crawford | Landline |
| 618-686 | Louisville | Clay | Landline |
| 618-568 | Elkville | Jackson | Landline |
| 618-454 | Oblong | Crawford | Landline |
| 618-540 | Caseyville | Saint Clair | Wireless |