Complaint Hotline




Anyone with knowledge of fraud, waste, abuse, misconduct, or mismanagement involving the U.S. Department of the Interior should call or write the Office of Inspector General's Hotline:

  • Hotline Complaint Form
  • Telephone - OIG Hotline's Toll Free Number: 1-800-424-5081
  • Fax - Complete and submit the Complaint Form to:
    703-487-5402 (Attention: Hotline Operations)
  • U.S. Mail - Complete and submit the Complaint Form to:
    U.S. Department of the Interior
    Office of Inspector General
    1849 C Street, NW
    MS-4428
    Washington, DC 20240
    Attention: Hotline Operations
  • You may also report fraudulent activities to the nearest regional OIG offices at the following locations:
    Eastern Regional Office - Herndon, VA: 703-487-8057
    Central Regional Office - Lakewood, CO: 303-236-8296
    Western Regional Office - Sacramento, CA: 916-978-5630

Click here to download our printable hotline poster.

Last Updated: 01/27/2014