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Unified Carrier Registration (UCR) Information

The Unified Carrier Registration (UCR) query provides access to company UCR registration data given the company's USDOT number, MC/MX number or Freight Forwarder number. UCR was established in the SAFETEA-LU legislation to replace the previous Single State Registration System (SSRS).


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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