Zip Area Code

Frederick, South Dakota

Frederick, South Dakota, in Brown County, has ZIP code 57441 and area code 605.

ZIP code
57441
Area code
605
Coordinates
45.8493, -98.5176

ZIP codes in Frederick

ZIP codePost officeCountyArea codes
57441FrederickBrown County605

Area code for Frederick

  • Area code 605

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

Towns near Frederick