57439 Frequently Asked Questions

A: ZIP Code 57439 is Located in Ferney South Dakota. Portions of 57439 are also in East Hanson Township.

A: ZIP Code 57439 is Located Entirely in Brown County South Dakota.

A: The Current Sales Tax in ZIP Code 57439 is 4.2%

A: The Area Code for 57439 is 605.

A: ZIP Code 57439 is in South Dakota State House of Representatives District 1.

A: ZIP Code 57439 is in South Dakota State Senate District 1.

A: The 2022 population of ZIP Code 57439 is 22. The population growth rate in 57439 is -31.71%. The population density of 57439 is 56.

A: The majority race/ethnicity of people residing in 57439 is White (100.00%).