District of Wyoming

Address

United States Attorney’s Office J.C. O’Mahoney Federal Courthouse 2120 Capitol Avenue, Suite 4000 Cheyenne, WY 82001

District Map

Phone

(307) 772-2124

Fax

USAO URL

https://www.justice.gov/usao-wy

Election Resources

https://sos.wyo.gov/Elections/

District Court URL

https://www.wyd.uscourts.gov/

Circuit Court URL

https://www.ca10.uscourts.gov

Judges

Court of Appeals

10th District

Twitter (Office)

https://twitter.com/usaowy

Youtube

https://www.youtube.com/channel/UCsJx2Y5C506ezbOC_F9n7tA

By Telephone

Cheyenne Main Telephone Number: (307) 772-2124 Cheyenne Toll Free Number: (800) 836-5801 Cheyenne Main Facsimile Number (307) 772-2123

Casper Main Telephone Number: (307) 261-5434 Casper Toll Free Number: (800) 809-7066 Casper Main Facsimile Number (307) 261-5471

Lander Main Telephone Number: (307) 332-8195 Lander Toll Free Number: (888) 266-1309 Lander Main Facsimile Number (307) 332-7104

Yellowstone Main Telephone Number: (307) 344-2119 Yellowstone Main Facsimile Number (307) 344-9266 BY POSTAL MAIL

Correspondence to the District of Wyoming, including the U.S. Attorney, may be sent to:

Meet the U.S. Attorney L. Robert Murray Acting United States Attorney

L. Robert Murray has been the Acting United States Attorney for the District of Wyoming since February 1, 2021. Prior to assuming this position, he served as the First Assistant U.S. Attorney for the District of Wyoming and oversaw the daily operations of the Criminal, Civil, and Administrative Divisions. ****

Cheyenne Headquarters Office: United States Attorney’s Office J.C. O’Mahoney Federal Courthouse 2120 Capitol Avenue, Suite 4000 Cheyenne, WY 82001 or For USPS mail only, including job applications: United States Attorney’s Office Post Office Box 668 Cheyenne, WY 82003-0668 Casper Branch Office: United States Attorney’s Office Dick Cheney Federal Building 100 East "B" Street, Suite 2211 Casper, WY 82601 or For USPS mail only: United States Attorney’s Office Post Office Box 22211 Casper, WY 82602-5010 Lander Branch Office: United States Attorney’s Office 331 Main Street, Suite A Lander, WY 82520 or For USPS mail only: United States Attorney’s Office Post Office Box 449 Lander, WY 82520-0449 Yellowstone National Park Branch Office, all deliveries: United States Attorney’s Office Yellowstone Justice Center Building #MA-1015, Room 213 Mammoth Hot Springs, WY 82190 or For USPS mail only: United States Attorney’s Office Post Office Box 703 Yellowstone NP, WY 82190