Find any 618- phone number in Illinois

The 618 area code is an area code that serves much of south-central Illinois, in the parts of the state bordering Indiana and Missouri. It is designated by the North American Numbering Plan, which serves as an area code for more than 300 million phone customers in Canada, the US and its territories.

The 618 area code consists of the counties of Alexander, Bond, Calhoun, Clay, Clinton, Edwards, Effingham, Fayette, Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson, Jersey, Johnson, Lawrence, Madison, Marion, Massac, Monroe, Perry, Pope, Pulaski, Randolph, St. Clair, Saline, Union, Wabash, Washington, Wayne, White and Williamson. Primarily, the 618 area code serves the metro areas of Belleville, Carbondale, Centralia, East Saint Louis, Edwardsville, and Marion – Portsmouth. The 618 area code is the only area code of southwestern Illinois, and is the most populous of all Illinois area codes.