Zip Area Code

Washington County, Kansas

Washington County, Kansas, has 12 towns and 11 ZIP codes, in area code 785.

Towns in Washington County, A to Z

TownZIP codesArea codes
Barnes66933785
Clifton66937785
Greenleaf66943785
Haddam66944785
Hanover66945785
Hollenberg66946785
Linn66953785
Mahaska66955785
Morrowville66958785
Palmer66962785
Viningnearest66937785
Washington66968785

ZIP codes in Washington County

Area code in Washington County

  • Area code 785

    In service since July 20, 1997. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.