Area Code 618 is located in IL.
Cities located in 618 area code are Carbondale, Mount Vernon, Collinsville, Belleville, Alton, Harrisburg, Benton, Trenton, Granite City, Sandoval, Hoffman, Dupo, Centralia, Hamburg, Edgewood, Mt Carmell, Okawville, Farina, Albers, Richview, Wood River, Raleigh, E St Louis, Herod, New Haven, Kell, Shawneetown, Ridgway, Eldorado, Junction, Equality, Woodburn, Waltonville, Columbia, Red Bud, Vandalia, Prairie Du Rocher, Rosiclare, Elizabethtown, Glen Carbon, Cave In Rock, East Saint Louis, Marissa, Edwardsville, Mount Carmel, Allendale, Albion, Cairo, Mc Leansboro, Metropolis, Nashville, Sparta, Pinckneyville, Iuka, Mulberry Grove, Dow, Oakdale, Villa Ridge, Herrin, Brownstown, St Peter, Olney, Bunker Hill, Bluford, Dorchester, Marion, Chester, Hardin, Medora, Tamaroa, Brighton, Elsah, Grayville, Fieldon, Bethalto, Norris City, Carmi, De Soto, Ashley, Woodlawn, Batchtown, Anna, New Athens, Ava, Ramsey, Herrick, Patoka, Murphysboro, Ina, Johnston City, Parkersburg, Browns, Willow Hill, West Salem, Fults, Worden, Fairview Heights, Millstadt, Hoyleton, Altamont, Beecher City, Alhambra, Jerseyville, Percy, Troy, Flora, St Elmo, Fairfield, Germantown, Breese, Lebanon, Freeburg, Du Quoin, Robinson, Kinmundy, Salem, Chicago, Brookport, Annapolis, Hutsonville, Mascoutah, Elkville, Breese, Flat Rock, Palestine, Coulterville, New Baden, Oblong, Carlyle, Zeigler, Madison, Thompsonville, Sesser, Ewing, O Fallon, Karnak, Staunton, Saint Jacob, Broughton, Dahlgren, Mounds, Highland, Vienna, Kampsville, Cypress, Mc Clure, Greenville, Louisville, Pocahontas, Eddyville, Cisne, Carriers Mills, Clay City, Lenzburg, Johnsonville, Carterville, Golconda, Ingraham, Simpson, Lawrenceville, Thebes, Noble, Christopher, Macedonia, Belle Rive, Olmsted, Tamms, Mound City, Keyesport, Chesterfield, Dundas, Springerton, Jacob, Bartelso, Saint Louis, Walsh, Odin, Olive Branch, Stonefort, Hettick, Newton, Baldwin, Grafton, Du Bois, Rose Hill, Venedy, Dongola, Orchardville, Shipman, Ullin, Shobonier, Evansville, Mount Erie, Saint Louis, Ellis Grove, Calhoun, Claremont, Brussels, Creal Springs, Marine, Prairietown, Cobden, Royalton, Wayne City, Mill Shoals, Geff, Sims, Bridgeport, West Frankfort, Valmeyer, Sumner, Waterloo, St Francisville, Grantsburg, Goreville, Omaha, Enfield, Steeleville, Crossville, Pittsburg.
Counties located in this area code are Jackson County, Jefferson County, Madison County, Saint Clair County, Saline County, Franklin County, Clinton County, Marion County, Calhoun County, Effingham County, Wabash County, Washington County, Fayette County, Pope County, Gallatin County, Macoupin County, Monroe County, Randolph County, Hardin County, Edwards County, Alexander County, Hamilton County, Massac County, Perry County, Bond County, Jersey County, Pulaski County, Williamson County, Richland County, White County, Union County, Shelby County, Jasper County, Clay County, Wayne County, Crawford County, Cook County, Johnson County, Lawrence County, Saint Louis City County, Saint Louis County