Zip Area Code

Jefferson County, Iowa

Jefferson County, Iowa, has 8 towns and 7 ZIP codes, in area codes 641 and 319.

Towns in Jefferson County, A to Z

TownZIP codesArea codes
Batavia52533641
Brighton52540319
Fairfield52556, 52557641
Libertyville52567641
Lockridge52635319
Maharishi Vedicnearest52557641
Packwood52580319
Pleasant Plainnearest52540319

ZIP codes in Jefferson County

Area codes in Jefferson County

  • Area code 641

    In service since July 9, 2000. Local calls are dialed with seven digits.

  • 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 641

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