Zip Area Code

Coles County, Illinois

Coles County, Illinois, has 6 towns and 6 ZIP codes, in area code 217, with 447 as an overlay.

Towns in Coles County, A to Z

TownZIP codesArea codes
Ashmore61912217, 447
Charleston61920217, 447
Humboldt61931217, 447
Lerna62440217, 447
Mattoon61938217, 447
Oakland61943217, 447

ZIP codes in Coles County

Area codes in Coles 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.