FMCSA Headquarters
1200 New Jersey Avenue SE
Washington, DC 20590

If you are deaf, hard of hearing, or have a speech disability, please dial 7 to access telecommunications relay services.

Contact Us

In the table below, you can find the contact information for the resource that best meets your needs.

FMSCA Headquarters

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

USMPO Main Line

  • (202) 770-4301
Contact/Help Center Contact Information
Analysis & Information (A&I) Online
A&I Online is America’s source for reliable, proven data and analysis on FMCSA safety programs and large truck and bus industry compliance.
Web Form
Commercial Drivers’ License Compliance Team
Provides guidance and interpretations to field offices and States regarding policies, procedures, implementation, and administration of related program activities.
Compliance Safety Accountability (CSA) Program
Information center to answer carrier questions about Safety Measurement System safety profiles and how the CSA program works.
Web Form
Customer Insurance and Registration Information Support (CIRIS)
CIRIS is FMCSA's main contact center for anything related to registration, licensing and insurance for motor carriers, brokers, freight forwarders, and cargo tank facilities. CIRIS also provides USDOT PIN/FMCSA Portal access support as well as answers driver medical fitness inquiries.
Business Hours: 8:00 am to 8:00 pm Eastern, Monday – Friday
Send an Email
Chat with a Customer Service Agent
DataQs allows you to request and track a review of Federal and State data issued by FMCSA that you feel may be incomplete or incorrect.
Phone and Web Form
Electronic Logging Devices