OST at 20 Logo
Celebrating 20 Years of Service to Beneficiaries

Welcome to the Office of the Special Trustee for American Indians (OST) home page. We are dedicated to providing outstanding service to you. We seek to honor you by upholding our trust responsibilities and providing superior management of trust assets. Please let us know what we can do to assist you. Thank you! 



  • OST Trust Beneficiary Call Center: 1-888-678-6836  For help with account information, to update your account address, or for other account support, please call the Trust Beneficiary Call Center toll free.

  • OST Whereabouts Unknown (WAU) Accounts List: Is OST holding money for you? OST maintains addresses for IIM account owners. WAU accounts are those for which OST does not have current address information. As of September 30, 2014, there were 63,339 WAU accounts. The combined minetary value of those accounts was $115.4 million. Search the WAU database of names here.

Four OST Employee Portraits

DID YOU KNOW: From Anadarko to Zuni, OST Employees exemplify the best of cultural diversity.

  • We live in big cities such as Washington, DC, and Albuquerque, NM, but most of us live and work in the communities where we grew up in Indian Country
  • We are members of more than 100 Tribal Nations
  • We speak more than 70 Native languages and 10 international languages
  • Twenty percent of us have proudly served in the Armed Forces
  • Many of us have advanced degrees and volunteer in our communities
  • Many of us are trust beneficiaries ourselves

Get to know some of our employees as you tour this site. We are honored to share our stories with you.

About OST