If you have any questions about your trust funds or your trust assets, contact your local OST Fiduciary Trust Officer or the OST Trust Beneficiary Call Center. In addition, the bottom part of this page includes contact information for other DOI offices that support trust activities.

Trust Beneficiary Call Center: 1-888-678-6836 (toll free)

Fiduciary Trust Officers and Staffs

The website page provides local contact information and email addresses for the location.

Alaska Region: Website
Blackfeet Agency: Website
Cherokee Agency: Website
Cheyenne River Agency: Website
Chickasaw Agency: Website
Colorado River Agency: Website
Colville Agency: Website
Concho Agency: Website
Crow Agency: Website
Crow Creek Agency: Website
Eastern Navajo Agency: Website
Flathead Agency: Website
Fort Belknap Agency: Website
Fort Berthold Agency: Website
Fort Hall Agency: Website
Fort Peck Agency: Website
Fort Totten Agency: Website
Great Lakes Agency: Website
Horton Agency: Website
Lower Brule Agency: Website
Minnesota Agency: Website
Navajo Agency: Website
Northern Cheyenne Agency: Website
Northern Idaho Agency: Website
Northwest Region: Website 
Osage Agency: Website
Pacific Region Agency: Website
Palm Springs Agency: Website
Papago Agency: Website
Pawnee Agency: Website
Pima Agency: Website
Pine Ridge Agency: Website
Puget Sound Field Office: Website
Rapid City: Website
Rosebud Agency: Website
Santee Sioux Agency: Website
Sisseton Agency: Website
Southern Plains Region: Website
Southern Ute Agency: Website
Southwest Region: Website
Standing Rock Agency: Website
Taholah Field Office: Website 
Tulsa Urban Office: Website
Turtle Mountain Agency: Website
Uintah and Ouray Agency: Website
Umatilla Agency: Website
Warm Springs Agency: Website
Western Nevada Agency: Website
Wind River Agency: Website 
Winnebago Agency: Website
Yakama Agency: Website
Yankton Agency: Website 

Assistant Secretary-Indian Affairs
Indian Affairs
MS-4141-MIB
1849 C Street, N.W.
Washington, D.C. 20240
Telephone: (202) 208-7163
Telefax: (202) 208-5320

Bureau of Indian Affairs
MS-4606
1849 C Street, N.W.
Washington, D.C. 20240
Telephone: (202) 208-5116 or (800) 246-8101
Telefax: (202) 208-6334

Bureau of Land Management
1849 C Street NW, Rm. 5665
Washington DC 20240
Phone: 202-208-3801
Fax: 202-208-5242
director@blm.gov

Office of Natural Resources Revenue
1849 C Street NW, Mail Stop 4211
Washington DC 20240
(202) 513-0600

Land Buy-Back Program
Genevieve Giaccardo (GG), Tribal Relations Advisor, 202-208-1541
Katherin (Katy) Grounds, Tribal Relations Advisor, 202-208-2632
Andrea Patton, Tribal Relations Advisor, 202-208-1547
Anthony (Morgan) Rodman, Tribal Relations Advisor, 202-208-2033
Faride A. Kraft, Cooperative Agreement Specialist, 202-219-1335