Zip Area Code

Effingham County, Illinois

Effingham County, Illinois, has 7 towns and 7 ZIP codes, in area code 217, with 447 as an overlay.

Towns in Effingham County, A to Z

TownZIP codesArea codes
Altamont62411217, 447
Dieterich62424217, 447
Effingham62401217, 447
Mason62443217, 447
Shumway62461217, 447
Teutopolis62467217, 447
Watson62473217, 447

ZIP codes in Effingham County

Area codes in Effingham County

  • Area code 217

    In service since 1947. Shares its area with 447. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 447

    In service since March 27, 2021. Shares its area with 217. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.