Zip Area Code

Madison County, Illinois

Madison County, Illinois, has 37 towns and 28 ZIP codes, in area code 618, with 730 as an overlay.

Towns in Madison County, A to Z

TownZIP codesArea codes
Alhambra62001618, 730
Alton62002618, 730
Bethalto62010618, 730
Brooklynnearest62059, 62090, 62201618, 730
Collinsville62234618, 730
Cottage Hills62018618, 730
Dorsey62021618, 730
East Alton62024618, 730
Edwardsville62025, 62026618, 730
Glen Carbon62034618, 730
Godfrey62035618, 730
Granitenearest62040, 62048, 62060618, 730
Granite City62040618, 730
Grantforknearest62249618, 730
Hamel62046618, 730
Hartford62048618, 730
Highland62249618, 730
Holiday Shoresnearest62021, 62067, 62097618, 730
Livingston62058618, 730
Madison62060618, 730
Marine62061618, 730
Maryville62062618, 730
Mitchellnearest62040, 62048, 62087618, 730
Moro62067618, 730
New Douglas62074618, 730
Pontoon Beachnearest62040618, 730
Prairietownnearest62021, 62067, 62097618, 730
Rosewood Heightsnearest62018, 62024, 62095618, 730
Roxana62084618, 730
Saint Jacob62281618, 730
South Roxana62087618, 730
St. Jacobnearest62281618, 730
Troy62294618, 730
Venice62090618, 730
Williamsonnearest62058, 62074, 62088618, 730
Wood River62095618, 730
Worden62097618, 730

ZIP codes in Madison County

Area codes in Madison County

  • Area code 618

    In service since 1947. Shares its area with 730. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 730

    In service since July 7, 2023. Shares its area with 618. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Local numbers in area code 618

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