57439 ZIP Code Ferney, South Dakota – USA
The ZIP code 57439 is assigned to Ferney city, located in the Brown county that is part of the state of South Dakota, SD, United States.
57439 zip code map
Postcode location
Ferney South Dakota,SD
State of 57439
Check all the South Dakota ZIP Code list.
US ZIP Codes
Please check all state’s postal code in the United States.