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U.S. Senator Mike Rounds of South Dakota

Contact Mike
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Working for
South Dakota

“It is an honor to work as your United States Senator. Don’t hesitate to contact any of my offices if you need help with a federal agency, wish to share a comment or concern, or want to learn more about my work in Washington.”

Meet Mike
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Office Locations

  • Pierre
  • Rapid City
  • Sioux Falls
  • Aberdeen
  • Washington, D.C.
Pierre

111 W Capitol Ave., Suite 210
Pierre, SD 57501

Phone: (605) 224-1450

Fax: (605) 224-1379

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Rapid City

603 Omaha St., Suite 100
Rapid City, SD 57701

Phone: (605) 343-5035

Fax: (605) 343-5348

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Sioux Falls

320 N Main Ave., Suite A
Sioux Falls, SD 57104

Phone: (605) 336-0486

Fax: (605) 336-6624

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Aberdeen

221 Brown County Highway 19 S, Suite 112
Aberdeen, SD 57401

Phone: (605) 225-0366

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Washington, D.C.

Hart Senate Office Bldg., Suite 716
Washington, D.C. 20510

Phone: (202) 224-5842

Fax: (202) 224-7482

Toll Free: (844) 875-5268

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