The most populous cities in area code 618 are: Collinsville, East Saint Louis, Carbondale, Belleville, and Centralia.
Other cities in the 618 area code include: Olney, Marion, Alton, Mount Vernon, Metropolis, Wood River, Herrin, Granite City, Harrisburg, Benton, Edwardsville, O Fallon, Jerseyville, Mount Carmel, Breese, Anna, Carmi, Robinson, Madison, Highland, Chester, Vandalia, Cairo, Okawville, Hoyleton, Fairfield, Lebanon, Pinckneyville, Troy, West Frankfort, Salem, Greenville, Carterville, Staunton, Nashville, Altamont, Albion, New Athens, Bunker Hill, Worden, Louisville, Brownstown, Waterloo, Bethalto, Murphysboro, Lawrenceville, Vienna, Sparta, Mascoutah, Flora, Eldorado, Freeburg, Dupo, Millstadt, Red Bud, Trenton, Brighton, Oblong, Saint Elmo, Sandoval, Bluford, Lenzburg, Ashley, Alhambra, Tamaroa, Waltonville, Flat Rock, Batchtown, Du Quoin, Marine, Glen Carbon, Columbia, Johnston City, Gillespie, Mc Leansboro, Newton, Aviston, Carrier Mills, Grayville, De Soto, Bridgeport, Ramsey, Saint Jacob, Norris City, Germantown, Albers, Royalton, Mounds, Wayne City, Coulterville, Brookport, Hardin, Rosiclare, Clay City, Golconda, Ridgway, Pocahontas, Dow, Grafton, Mulberry Grove, Allendale, Thompsonville, Woodlawn, Bartelso, Ava, Shipman, Hutsonville, Edgewood, Iuka, Hoffman, Medora, Beecher City, Thebes, Herrick, Baldwin, Belle Rive, Kampsville, Ewing, Claremont, Richview, Fieldon, Broughton, Kell, Hettick, Hamburg, Johnsonville, Annapolis, Farina, Ingraham, Mc Clure, Scott Air Force Base, Tamms, New Baden, Sumner, Carlyle, Christopher, Ina, Steeleville, Sesser, Zeigler, Marissa, Cobden, Shawneetown, Palestine, Goreville, Elkville, Odin, West Salem, Percy, Crossville, Dongola, Elsah, Mound City, Prairie Du Rocher, Olive Branch, Cisne, Noble, Karnak, Equality, Pittsburg, Enfield, Geff, Patoka, Saint Francisville, Olmsted, Ullin, Dix, Dahlgren, Saint Peter, Cave In Rock, Ellis Grove, Chesterfield, Omaha, Raleigh, Addieville, Sims, Elizabethtown, Willow Hill, Cypress, Calhoun, Oakdale, Du Bois, Parkersburg, Brussels, Springerton, Junction, Browns, Macedonia, Simpson, Mount Erie, Eddyville, Fults, Dundas, Grantsburg, Herod, Jacob, Keyesport, Mill Shoals, New Haven, Shobonier, Stonefort, Villa Ridge, Walsh, Valmeyer, Kinmundy, Evansville, Creal Springs, and Hidalgo.
Collinsville is a city located mainly in Madison County, and partially in St. Clair County, both in Illinois. As of the 2010 census, the city had a population of 25,579, an increase from 24,707 in 2000. Collinsville is approximately 12 miles from St. Louis, Missouri and is considered part of that city's Metro-East area. It is the home of the Brooks Catsup Bottle Water Tower, the world's largest ketchup bottle, and is the world's horseradish capital. Monks Mound, the largest man-made earthwork in North America, and now part of the Cahokia Mounds State Historic Site, is located here.
East St. Louis is a city in St. Clair County, Illinois, United States across the Mississippi River from St. Louis, Missouri in the Metro-East region of Southern Illinois. Once a bustling industrial center like many cities in the Rust Belt, East St. Louis has been severely affected by loss of jobs due to deindustrialization during the second half of the 20th century. In 1950, East St. Louis was the fourth largest city in Illinois when population peaked at 82,366. As of the 2010 census, the city had a population of 27,006, less than one-third of the 1950 census.One of the highlights of the city's waterfront is the Gateway Geyser. Located on the grounds of Malcolm W. Martin Memorial Park, the fountain is the second-tallest in the world. Designed to complement the Gateway Arch across the river in St. Louis, it shoots water to a height of 630 feet (190 m), the same height as the Arch.
Carbondale is a city in Jackson County, Illinois, United States, within the Southern Illinois region informally known as "Little Egypt". The city developed from 1853 because of the stimulation of railroad construction into the area. Today the major roadways of Illinois Route 13 and U.S. Route 51 intersect in the city. The city is 96 miles (154 km) southeast of St. Louis, Missouri, on the northern edge of the Shawnee National Forest. Carbondale is the home of the main campus of Southern Illinois University.As of the 2010 census, the city had a population of 25,902, and it is the state's 20th-most-populated city outside of the Chicago Metropolitan Area. In addition, the city is the most populous in Southern Illinois outside of the St. Louis Metro-East region, and the most populous city in the Carbondale-Marion-Herrin, Illinois Combined Statistical Area and the Metro Lakeland area. The CSA has 126,575 residents, the sixth-most-populous Combined statistical area in Illinois.
The 618 area code lies within the Central Daylight Time Zone (or CDT). The current time in Central Daylight Time is 10:47 PM on Aug 21, 2024.