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East St. Louis, Illinois Area Code |
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East St. Louis, IL Area Code is 618 |
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East St. Louis, IL is currently using only one area code which is area code 618. Area code 618 was one of the
original area codes assigned to Illinois, including East St. Louis, when it was established in 1947. Area code 618 covers the southern portion of Illinois and in addition to East St. Louis serves the major
cities of Alton, Belleville, Carbondale, Collinsville, Edwardsville, Granite City and O'Fallon. East St. Louis, IL does not utilize any area code overlays. |
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Illinois Area Codes |
217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872 |
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