Main city: Mount Carmel
Timezone: Central
Phone type: Landline
Operator: Frontier North

Mount Carmel, a city in and the county seat of Wabash County, Illinois, United States. At the time of the 2010 census, the population was 7,284, while the next largest town in Wabash County is Allendale, population 475. Located at the confluence of the Wabash, Patoka, and White Rivers, Mount Carmel borders both Gibson and Knox counties of Indiana. A small community known informally as East Mount Carmel sits near the mouth of the Patoka River on the opposite (Gibson County) side of the Wabash River from Mount Carmel. Mount Carmel is 5 miles (8.0 km) northeast of the Forest of the Wabash, a National Natural Landmark within Beall Woods State Park and about a mile north-northeast of one of its main employers, the Gibson Generating Station. Mount Carmel is also the home of Wabash Valley College, part of the Community College System of Eastern Illinois. ^source

Area code 618 is the telephone area code serving southern Illinois, including the cities of Carbondale and Cairo, plus most of the Metro East region--the Illinois side of the St. Louis area--including Alton, Belleville, East St. Louis and Edwardsville. (The northern area of Metro East is in area code 217.) ^source