Here are the contacts for South Dakota
Senator John Thune
Office Address
511 Dirksen Senate Office Building
Washington DC 20510
(202) 224-2321
Click here to email Senator Thune
Senator Mike Rounds
Office Address
502 Hart Senate Office Building
Washington DC 20510
(202) 224-5842
Click here to email Senator Rounds
Congresswoman Kristi L. Noem
Office Address
2457 Rayburn Office Building
Washington DC 20515
(202) 225-2801