Zip Area Code

Iroquois County, Illinois

Iroquois County, Illinois, has 25 towns and 23 ZIP codes, in area code 815, with 779 as an overlay.

Towns in Iroquois County, A to Z

TownZIP codesArea codes
Ashkum60911815, 779
Beaverville60912815, 779
Buckley60918815, 779
Cissna Park60924815, 779
Claytonville60926815, 779
Clifton60927815, 779
Crescentnearest60928815, 779
Crescent City60928815, 779
Danforth60930815, 779
Donovan60931815, 779
Gilman60938815, 779
Goodwine60939815, 779
Iroquois60945815, 779
Loda60948815, 779
Martinton60951815, 779
Milford60953815, 779
Onarga60955815, 779
Papineau60956815, 779
Sheldon60966815, 779
St. Annenearest60956, 60964815, 779
Stockland60967815, 779
Thawville60968815, 779
Watseka60970815, 779
Wellington60973815, 779
Woodland60974815, 779

ZIP codes in Iroquois County

Area codes in Iroquois County

  • Area code 815

    In service since 1947. Shares its area with 779. Local calls are dialed with 1 plus ten digits.

  • Area code 779

    In service since March 17, 2007. Shares its area with 815. Local calls are dialed with 1 plus ten digits.