What is a USDOT number?

The identifier FMCSA assigns to a company that operates commercial vehicles in interstate commerce. It is a registration and a file reference, not a licence to carry freight for other people. A company can hold a USDOT number and have no authority to haul your goods for money.

What is the difference between a USDOT number and an MC number?

The USDOT number identifies the company. The MC, or docket, number is its operating authority: permission to transport regulated goods for hire in interstate commerce. A private carrier moving its own products needs a USDOT number and no MC number. A haulier quoting you for a load should have both.

Why does this carrier have no safety rating?

Because most do not. A rating is only issued after a compliance review, and of 2,240,835 active carriers on the register, 53,006 carry one: about 2.4 percent. "None on record" is the ordinary case rather than a warning sign, which is exactly why a tool that shows a blank field and says nothing is unhelpful.

Does an active registration mean the carrier is insured?

No, and this is the single most common misreading. The census records registration status, not insurance. A carrier can sit on the active register with no insurance on file. Check FMCSA's Licensing and Insurance system for the filing before you tender anything, and get a certificate naming you.

What does the MCS-150 date mean?

It is the last time the carrier updated its own registration. Every carrier is required to refile every two years under 49 CFR 390.19T whether or not anything has changed, so the date doubles as a rough test of whether anybody is still minding the business. A record last touched a decade ago is not proof of anything, but it is a reasonable question.

Is this the same as SAFER?

No. This reads the published Motor Carrier Census, which is a periodic snapshot of the same register. For anything time-critical, current operating authority, out-of-service orders, insurance, use SAFER and Licensing and Insurance directly. Every result here links to both for the carrier you looked up.

Can I look up a carrier by name instead of a number?

Yes. Type the company name and this searches the register's legal names, showing active registrations first and largest fleets first. Names are not unique, so confirm the city and state before you rely on a match.

Free tool · Carrier lookup

Who is actually turning up with your freight?

Search the federal motor carrier register by USDOT number or company name. You get the registration, the fleet, the safety rating and how old the record is: each one said in English, including the ones where the honest answer is that it tells you nothing.

A USDOT number is a file reference, not a licence

It identifies a company that operates commercial vehicles. That is the whole of what it means. It is not permission to carry other people’s freight for money, it is not evidence of insurance, and it is not a quality signal.

The permission is the MC, or docket, number, and it is a separate thing a carrier applies for. A manufacturer running its own trucks between its own sites needs a USDOT number and no MC number at all. A haulier quoting you for a load should have both, and the classification line on the result above should read authorised for hire.

So the first question to ask of a lookup is not whether the number exists. It is whether the company on the other end of it is the kind of company you think you are hiring.

A flat illustration of a single plain index card seen at a slight angle, its face carrying five empty ruled lines and one small blank box in the upper corner. — Two and a quarter million of these on the register. Finding one confirms a company filed it, and almost nothing else.

Why almost every carrier has no safety rating

A safety rating is issued after a compliance review, and compliance reviews are rationed. So the blank field is not a gap in the data. It is the normal state of a carrier on this register.

Of 2,240,835 active carriers, 53,006 carry a rating of any kind. That is 2.4 percent. The other 2,187,829 have never had a review, which means the absence of a rating tells you nothing at all about them.

How the 53,006 rated carriers break down. Percentages are of rated carriers, not of the whole register: measured against all 2,240,835 active carriers, even satisfactory is under two percent.
Satisfactory		41,09177.5%
Conditional		11,14621.0%
Unsatisfactory		7691.5%

How the 53,006 rated carriers break down. Percentages are of rated carriers, not of the whole register: measured against all 2,240,835 active carriers, even satisfactory is under two percent.

The number worth noticing is conditional. Among carriers that have actually been reviewed, 21 percent came out with deficiencies recorded. A conditional rating does not stop a carrier operating, and it is not a reason to refuse a load on its own, but it is a reason to ask what was found and what changed since, and the date on the rating tells you how long ago that conversation would be about.

Source: Motor Carrier Census, FMCSA, Federal Motor Carrier Safety Administration, US Department of Transportation. Figures retrieved 2026-10-12 and recomputed whenever the dataset is pulled again.

Counted with: select safety_rating, count(1) where status_code='A' group by safety_rating. The aggregation runs on the publisher’s own service, so these totals are theirs rather than ours.

The most useful field is the one nobody looks at

Every carrier has to refile its MCS-150 registration every two years under 49 CFR § 390.19T, whether or not anything has changed. It is a standing, unambiguous, minimal obligation.

Which makes the date a rough test of whether anybody is still minding the business. On the current register, 842,885 active carriers, 43 percent, are past the two-year cycle, and 417,069 have not filed in over a decade.

Active registrations by how long ago the carrier last updated its own record. The filing is mandatory every two years, so everything below the first bar is a missed obligation.
Updated in the last 2 years		1,119,39157.0%
2 to 5 years ago		250,35812.8%
5 to 10 years ago		175,4588.9%
More than 10 years ago		417,06921.3%

Active registrations by how long ago the carrier last updated its own record. The filing is mandatory every two years, so everything below the first bar is a missed obligation.

None of that makes a stale carrier a bad carrier. Plenty of small operators run perfectly well and forget the paperwork. It does mean the fleet size and driver count on a ten-year-old filing are describing a company that may no longer exist in that shape, and it is a fair thing to raise before you hand over a pallet worth more than the freight bill.

Source: Motor Carrier Census, FMCSA, Federal Motor Carrier Safety Administration, US Department of Transportation. Figures retrieved 2026-10-12 and recomputed whenever the dataset is pulled again.

Counted with: count(1) where status_code='A' bucketed on mcs150_date, the registration update date. The aggregation runs on the publisher’s own service, so these totals are theirs rather than ours.

The honest limits

What this cannot tell you

This reads one published dataset. Three things that matter are not in it, and a lookup that implied otherwise would be worse than no lookup, because somebody would book a load on it.

Whether they are insured

Not in this dataset at all. A carrier can sit on the active register with nothing on file. Check Licensing & Insurance, and get a certificate naming you.

Whether authority is live today

Operating authority can be revoked between snapshots. The docket number here says one was granted, not that it still stands. SAFER is the live view.

Whether they are out of service

An out-of-service order is an enforcement action, not a census field. It will not appear here however recently it was issued.

Use this to understand who you are dealing with and what to ask. Use SAFER and Licensing & Insurance to decide.

Before you tender the load

01Confirm the USDOT number is the carrier's own, not a broker's. A broker arranging your freight is a different company from the one driving it, and the paperwork will name both.
02Check the classification says authorised for hire. A private carrier quoting you for a load is a question, not a bargain.
03Get a certificate of insurance naming your company, from the insurer rather than the carrier. Confirm it against the Licensing and Insurance filing.
04Look at the update date. If the register entry is years old, ask how many trucks they run now and see whether the answer matches the filing.
05Write the carrier and the pro number on your own receiving record when the delivery lands, so a claim later has something to attach itself to.

Questions

What is a USDOT number?: The identifier FMCSA assigns to a company that operates commercial vehicles in interstate commerce. It is a registration and a file reference, not a licence to carry freight for other people. A company can hold a USDOT number and have no authority to haul your goods for money.
What is the difference between a USDOT number and an MC number?: The USDOT number identifies the company. The MC, or docket, number is its operating authority: permission to transport regulated goods for hire in interstate commerce. A private carrier moving its own products needs a USDOT number and no MC number. A haulier quoting you for a load should have both.
Why does this carrier have no safety rating?: Because most do not. A rating is only issued after a compliance review, and of 2,240,835 active carriers on the register, 53,006 carry one: about 2.4 percent. "None on record" is the ordinary case rather than a warning sign, which is exactly why a tool that shows a blank field and says nothing is unhelpful.
Does an active registration mean the carrier is insured?: No, and this is the single most common misreading. The census records registration status, not insurance. A carrier can sit on the active register with no insurance on file. Check FMCSA's Licensing and Insurance system for the filing before you tender anything, and get a certificate naming you.
What does the MCS-150 date mean?: It is the last time the carrier updated its own registration. Every carrier is required to refile every two years under 49 CFR 390.19T whether or not anything has changed, so the date doubles as a rough test of whether anybody is still minding the business. A record last touched a decade ago is not proof of anything, but it is a reasonable question.
Is this the same as SAFER?: No. This reads the published Motor Carrier Census, which is a periodic snapshot of the same register. For anything time-critical, current operating authority, out-of-service orders, insurance, use SAFER and Licensing and Insurance directly. Every result here links to both for the carrier you looked up.
Can I look up a carrier by name instead of a number?: Yes. Type the company name and this searches the register's legal names, showing active registrations first and largest fleets first. Names are not unique, so confirm the city and state before you rely on a match.

Sources

01Motor Carrier Census Information · Federal Motor Carrier Safety Administration, US Department of TransportationThe register this page reads. Published as open data and queried live for each lookup.
02SAFER Company Snapshot · FMCSAFMCSA's own live view of a carrier. The authority for anything time-critical.
03Licensing & Insurance public search · FMCSAWhether a carrier's insurance is currently on file. Not in the census.
0449 CFR § 390.19T: Motor carrier identification report · Electronic Code of Federal RegulationsThe rule requiring the MCS-150 to be refiled every two years, whether or not anything changed.
0549 CFR Part 385: Safety fitness procedures · Electronic Code of Federal RegulationsHow the satisfactory, conditional and unsatisfactory ratings are assigned.

Knowing who delivered it only helps if the delivery itself was recorded. DockCount logs what arrived against what was ordered, with the carrier and the photographs attached. Free for 25 deliveries a month.

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