Majority Leader John Thune (R)
Majority Leader - South Dakota

Capitol Address:- 511 Dirksen Senate Office Building
- Washington, DC 20510-4103
- Fax: 2022285429
- Phone: 2022242321
District Address:- 5015 S Bur Oak Pl
- Sioux Falls, SD 57108
- Phone: 6053349596
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