Zip Area Code

Randolph County, Illinois

Randolph County, Illinois, has 14 towns and 12 ZIP codes, in area code 618, with 730 as an overlay.

Towns in Randolph County, A to Z

TownZIP codesArea codes
Baldwin62217618, 730
Chester62233618, 730
Ellis Grove62241618, 730
Evansville62242618, 730
Kaskaskianearest62241618, 730
Menard62259618, 730
Modoc62261618, 730
Percy62272618, 730
Prairie Du Rocher62277618, 730
Rumanearest62242618, 730
Sparta62286618, 730
Steeleville62288618, 730
Tilden62292618, 730
Walsh62297618, 730

ZIP codes in Randolph County

Area codes in Randolph 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.