District of Montana

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About the U.S. Attorney

Michael W. Cotter, USAMichael W. Cotter, USA

Michael W. Cotter was nominated by President Barack Obama to serve as the United States Attorney for the District of Montana. He was confirmed by the United States Senate on December 24, 2009 and sworn in as Montana’s 39th United States Attorney on December 30, 2009.

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about the District

The United States Attorney's Office conducts the most federal criminal prosecutions in the State of Montana. We receive criminal referrals from federal investigative agencies, state and local investigative agencies, and occasionally from citizens. We also conduct the majority of the federal civil litigation in which the United States is a party or has a financial interest.


2601 Second Ave. N., Ste. 3200
Billings, MT 59101
Phone: (406) 657-6101 
Toll free: (800) 291-6108
Fax: (406) 657-6989
119 1st Ave N. #300
Great Falls, MT 59401
Phone: (406) 761-7715 
Toll free: (888) 326-2894
Fax: (406) 453-9973
901 Front St.
Suite 1100
Helena, MT 59626
Phone: (406) 457-5120 
Toll free: (866) 333-8835
Fax: (406) 457-5130
P.O. Box 8329
Missoula, MT 59807
Phone: (406) 542-8851
Toll free: (866) 291-3836
Fax: (406) 542-1476

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