Zip Area Code

Hamlin County, South Dakota

Hamlin County, South Dakota, has 7 towns and 5 ZIP codes, in area code 605.

Towns in Hamlin County, A to Z

TownZIP codesArea codes
Bryant57221605
Castlewood57223605
Claremont Colonynearest57223605
Hayti57241605
Hazel57242605
Lake Norden57248605
Lake Poinsettnearest57248605

ZIP codes in Hamlin County

Area code in Hamlin County

  • Area code 605

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