| Area Code 618 Details | |
|---|---|
| Country | United States |
| State/Province | Illinois |
| Major City | Belleville |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Phone Type | Status |
|---|---|---|---|
| 618-986 | Franklin | Landline | Active |
| 618-987 | Franklin | Landline | Active |
| 618-988 | Williamson | Landline | Active |
| 618-989 | Williamson | Landline | Active |
| 618-990 | Saline | Landline | Active |
| 618-992 | Williamson | Landline | Active |
| 618-993 | Williamson | Landline | Active |
| 618-994 | Saline | Landline | Active |
| 618-995 | Johnson | Landline | Active |
| 618-996 | Williamson | Landline | Active |
| 618-997 | Williamson | Landline | Active |
| 618-998 | Williamson | Landline | Active |