Zip Area Code

Henderson County, Illinois

Henderson County, Illinois, has 9 towns and 8 ZIP codes, in area code 309, with 861 as an overlay.

Towns in Henderson County, A to Z

TownZIP codesArea codes
Biggsville61418309, 861
Carman61425309, 861
Gladstone61437309, 861
Gulfportnearest61425309, 861
Lomax61454309, 861
Media61460309, 861
Oquawka61469309, 861
Raritan61471309, 861
Stronghurst61480309, 861

ZIP codes in Henderson County

Area codes in Henderson 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.