Zip Area Code

Jo Daviess County, Illinois

Jo Daviess County, Illinois, has 12 towns and 9 ZIP codes, in area code 815, with 779 as an overlay.

Towns in Jo Daviess County, A to Z

TownZIP codesArea codes
Apple Canyon Lakenearest61001815, 779
Apple River61001815, 779
East Dubuque61025815, 779
Elizabeth61028815, 779
Galena61036815, 779
Hanover61041815, 779
Menomineenearest61025815, 779
Nora61059815, 779
Scales Mound61075815, 779
Stockton61085815, 779
The Galena Territorynearest61036815, 779
Warren61087815, 779

ZIP codes in Jo Daviess County

Area codes in Jo Daviess 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.