Zip Area Code

Stark County, Illinois

Stark County, Illinois, has 5 towns and 5 ZIP codes, in area code 309, with 861 as an overlay.

Towns in Stark County, A to Z

TownZIP codesArea codes
Bradford61421309, 861
Castleton61426309, 861
La Fayette61449309, 861
Toulon61483309, 861
Wyoming61491309, 861

ZIP codes in Stark County

Area codes in Stark County

  • Area code 309

    In service since 1957. Shares its area with 861. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 861

    In service since February 24, 2023. Shares its area with 309. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.