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United States Department of Transportation United States Department of Transportation

Contact Us

In addition to our toll-free number 1-800-832-5660, you may also live chat with our agents or submit your question via our web form at and receive a tracking number. Answers to questions about registration, licensing and insurance issues can also be found at


Federal Motor Carrier Safety Administration
United States Department of Transportation
1200 New Jersey Avenue SE
Washington, DC 20590

Field Offices & Service Centers

Contact Number
FMCSA Information Line
  • U.S. DOT Numbers
  • Status of DOT Numbers
  • Operating Authority Information
  • Safety Ratings
  • Licensing Information
  • Insurance Information
  • Email
  • Chat

Consumer Complaints

  • Household Goods
  • Passenger Carrier (Motorcoach/Bus/Van)
  • Hazardous Materials
  • Safety
  • Driver
Federal Relay Service for TTY 1-800-877-8339
Share the Road Safely 202-493-0472
NHTSA Hotline Number 1-888-DASH-2-DOT
Last updated: Monday, January 13, 2014