| 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 |
|---|---|---|---|
| 618-427 | Brownstown | Fayette | Landline |
| 618-792 | Venice | Madison | Wireless |
| 618-905 | Sparta | Randolph | Landline |
| 618-499 | Harrisburg | Saline | Wireless |
| 618-343 | Collinsville | Madison | Landline |
| 618-223 | East Saint Louis | Saint Clair | Landline |
| 618-261 | East Saint Louis | Saint Clair | Landline |
| 618-231 | Centralia | Marion | Wireless |
| 618-303 | Carbondale | Jackson | Wireless |
| 618-757 | Dahlgren | Hamilton | Landline |
| 618-887 | Marine | Madison | Landline |
| 618-747 | Tamms | Alexander | Landline |
| 618-525 | Carbondale | Jackson | Wireless |
| 618-216 | Collinsville | Madison | Landline |
| 618-764 | Thebes | Alexander | Landline |
| 618-858 | Collinsville | Madison | Wireless |
| 618-937 | West Frankfort | Franklin | Landline |
| 618-478 | Nashville | Washington | Landline |
| 618-882 | Highland | Madison | Landline |
| 618-496 | Tamaroa | Perry | Landline |