USDOT vs MC Number
The difference between identification records and authority records in trucking data.
By CarrierDataHub Data Team · Updated
USDOT and MC numbers answer different questions. A USDOT number identifies a registered entity in federal motor carrier systems. An MC number usually points to an operating authority docket. In everyday freight work the two are often discussed together, but they should not be treated as interchangeable.
A USDOT record may show safety and registration fields such as power units, drivers, cargo carried, and MCS-150 dates. An MC authority record is more closely connected to whether the entity has authority for a regulated for-hire activity.
What this means in practice: match the USDOT number to the legal name, then match any docket numbers to authority records. If the names do not align, slow down and verify. Differences may be harmless DBA formatting, but they may also indicate stale information or a different entity.
CarrierDataHub displays both identifiers when they are present in the source data. The site does not determine legal eligibility for a shipment.
Related glossary terms
- USDOT Number
A federal identifier assigned to a motor carrier or other regulated transportation entity. - MC Number
A docket number commonly associated with operating authority. - Authority Status
A public field describing the status of a company's operating authority.
Other guides
- What Is a USDOT Number?
A practical explanation of USDOT numbers and where they appear in public motor carrier records. - What Is an MC Number?
How MC numbers relate to operating authority and why they are different from USDOT numbers. - Carrier vs Broker vs Freight Forwarder
A plain-language distinction among common transportation entity types. - How to Verify a Trucking Company
A concise verification workflow using public identifiers and official FMCSA systems.