Q. How do I inactivate or deactivate my USDOT Number?
You must mail, fax or upload via web form:
Questions? Contact the Federal Motor Carrier Safety Administration (FMCSA):
Field Offices listed by state
Phone: 1-800-832-5660 (8:00 a.m. to 8:00 p.m. Eastern Time)
Send an Email
Chat with FMCSA Customer Service
Federal Motor Carrier Safety Administration
1200 New Jersey Ave. SE
Washington, DC 20590
For further assistance, contact the Federal Motor Carrier Safety Administration (FMCSA) at 1-800-832-5660 or email FMCSA via the web form.