Q. How to Deactivate a DOT Number


If you are no longer in business as an interstate motor carrier and would like to inactivate your DOT Number, you must file form MCS-150.

For more information, please see this FMCSA FAQ.

For further assistance, contact the Federal Motor Carrier Safety Administration (FMCSA) at 1-800-832-5660 or email FMCSA via the web form.

  • Last Updated Dec 13, 2016
  • Views 9
  • Answered By David Martin

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