MCS-150 Form

Please contact FMCSA Support Services at 1-800-832-5660 for assistance.
When you hear the recording, Press 1 then 2 to speak to a MCS-150 Support Specialist.
OR
Click on the link below to access the MCS150 form.
Fill out the USDOT#, legal name, and the correct address and mail it to the FMCSA address listed on the form.

MCS150 Form

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December 21, 2025

Federal Motor Carrier Safety Administration
1200 New Jersey Avenue SE, Washington, DC 20590 - 1-800-832-5660 - TTY: 1-800-877-8339 - Field Office Contacts