| 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 |
|---|---|---|---|
| 618-744 | Belleville | Saint Clair | Landline |
| 618-378 | Norris City | White | Landline |
| 618-431 | Vandalia | Fayette | Landline |
| 618-932 | West Frankfort | Franklin | Landline |
| 618-401 | Caseyville | Saint Clair | Wireless |
| 618-444 | Venice | Madison | Wireless |
| 618-625 | Sesser | Franklin | Landline |
| 618-999 | Edwardsville | Madison | Landline |
| 618-562 | Annapolis | Crawford | Wireless |
| 618-325 | Caseyville | Saint Clair | Wireless |
| 618-556 | Jerseyville | Jersey | Wireless |
| 618-777 | Stonefort | Saline | Landline |
| 618-332 | East Saint Louis | Saint Clair | Landline |
| 618-894 | Royalton | Franklin | Landline |
| 618-823 | East Saint Louis | Saint Clair | Wireless |
| 618-341 | Caseyville | Saint Clair | Wireless |
| 618-494 | Jerseyville | Jersey | Landline |
| 618-438 | Benton | Franklin | Landline |
| 618-505 | Troy | Madison | Landline |
| 618-497 | Percy | Randolph | Landline |