Free public toolMC number lookup
Resolve an MC number to matching USDOT census records before reviewing a carrier.
Why can an MC search return several records?
CarrierTrail searches the three MC docket fields available in the census. A result can contain more than one USDOT record. Compare the company identity and source records; do not assume that the first match is the company you intended. A docket identifier is not, on its own, confirmation of current authority.
Read FMCSA’s identifier guidance ↗
What should I check next?
Consult official authority and insurance sources for the relevant filings, review the publication dates and follow your team’s verification process for the proposed shipment. The free result is a census lookup, not a live authority or insurance certification.
Search by USDOT instead → · Use the carrier-vetting checklist →
MC lookup resolves identity before authority review
- Enter the MC number, with or without its prefix. The search checks the MC docket fields in the saved census.
- Compare every returned legal name and reported location with the company you intended.
- Open the matching USDOT record for the company details, then inspect current official authority and insurance filings separately.
One match, several matches, or no match
| Result | Next step |
|---|
| One census match | Confirm its identity before treating it as the carrier from your paperwork. |
| Several USDOT matches | Resolve the ambiguity using the legal entity and official records. Do not automatically select the first row. |
| No match | Check that the docket prefix is MC and verify the number in FMCSA’s official system. This tool does not search FF or MX identifiers. |
Does an MC match mean the carrier has active authority?
No. This search finds an identifier in a census snapshot. It does not certify the current authority type, status or coverage for a move. Keep the docket, authority type, reported status and publication date together when reviewing official filings.
Already saved this carrier by USDOT?
In the paid workspace, MC and USDOT searches resolve to the same saved USDOT carrier. Switching identifier types does not use a second monitoring slot.
Read authority records in context · FMCSA operating-authority guidance