Official US Government Icon

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Secure Site Icon

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

The latest general information on the Coronavirus Disease 2019 (COVID-19) is available on For USDOT specific COVID-19 resources, please visit our page.

Contact Us

Call Us

DOT Customer Service Center: 202-366-4000

Monday through Friday between 8:30 am and 5:30 pm Eastern Time excluding Federal Holidays.
Deaf, hard of hearing, and speech impaired callers
Contact the general information switchboard using the Federal Relay Services.

Mail Us

Correspondence to the Department may be sent to:

    U.S. Department of Transportation
    1200 New Jersey Ave, SE
    Washington, DC 20590

Please note: Correspondence must be addressed to a specific administration within the U.S. Department of Transportation, or the U.S. Postal Service will not be able to deliver it.  A list of DOT administrations and their various responsibilities can be found on the DOT Agencies webpage.

Administration Contact Information

Unmanned Aircraft System (UAS) Registration

Last updated: Thursday, July 25, 2019