Zip Area Code

Johnson County, Iowa

Johnson County, Iowa, has 14 towns and 15 ZIP codes, in area code 319.

Towns in Johnson County, A to Z

TownZIP codesArea codes
Coralville52241319
Frytownnearest52247319
Hills52235319
Iowanearest52240, 52242, 52245319
Iowa City52240, 52242, 52243, 52244, 52245, 52246319
Kalona52247319
Lone Tree52755319
North Liberty52317319
Oxford52322319
Shueyvillenearest52338319
Solon52333319
Swisher52338319
Tiffin52340319
University Heightsnearest52242, 52245, 52246319

ZIP codes in Johnson County

Area code in Johnson County

  • Area code 319

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

Local numbers in area code 319

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