List of US Post Office Stores in Ferney, SD Outlet Note Regular Brands US Post Office South Dakota Ferney Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Ferney 109 Center St,Ferney,Sd,57439 (605) 397-2707 People Also Viewed