Yankton Agency
Tribes Served
Santee Sioux Nation, Ponca Tribe of Nebraska, Yankton Sioux Tribe of South Dakota.
Our Staff
Elizabeth Namminga
Trust Accounts Administrator
Phone: 605-481-9935
Debra Castillo
Accounting Technician
Phone: 402-979-7468
Jolene One Star
Fiduciary Trust Officer
Phone: 605-856-4965
Cell: 605-939-9254
Office Location
29775 South Main Street
Wagner, SD 57380
Located at 29775 South Main Street in Wagner, SD in the BIA Office Building.
Mailing Address
Bureau of Trust Funds Administration
Attn: Yankton Agency
P.O. Box 26928
Albuquerque, NM 87125
Unclaimed Money
BTFA currently holds over $100 million in trust for thousands of beneficiaries whose whereabouts are unknown because we don't have an address on file for them. Search our records to see if your name, or the name of someone you know, is on the list.