Zip Area Code

Sumner County, Kansas

Sumner County, Kansas, has 14 towns and 13 ZIP codes, in area code 620.

Towns in Sumner County, A to Z

TownZIP codesArea codes
Argonia67004620
Belle Plaine67013620
Caldwell67022620
Conway Springs67031620
Geuda Springs67051620
Hunnewellnearest67140620
Mayfield67103620
Milan67105620
Milton67106620
Mulvane67110620
Oxford67119620
Peck67120620
South Haven67140620
Wellington67152620

ZIP codes in Sumner County

Area code in Sumner County

  • Area code 620

    In service since February 3, 2001. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.