Zip Area Code

Clay County, Illinois

Clay County, Illinois, has 10 towns and 7 ZIP codes, in area code 618, with 730 as an overlay.

Towns in Clay County, A to Z

TownZIP codesArea codes
Claynearest62824618, 730
Clay City62824618, 730
Edgewood62426618, 730
Flora62839618, 730
Ingraham62434618, 730
Iolanearest62426618, 730
La Cledenearest62426, 62838618, 730
Louisville62858618, 730
Sailor Springs62879618, 730
Xenia62899618, 730

ZIP codes in Clay County

Area codes in Clay 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.