What an MC number is and where to find it

An MC number (Motor Carrier number) is a unique identifier assigned by the Federal Motor Carrier Safety Administration (FMCSA) to companies that transport cargo or passengers across state lines. If you're trying to verify a trucking company, freight broker, or moving company, you'll need their MC number to check their safety record and licensing status.

You can look up an MC number using the FMCSA's official database, called SAFER (Safety and Fitness Evaluation System). This free tool is available at safer.fmcsa.dot.gov. You can search by company name, MC number, or DOT number — all three will pull up the same record.

If you don't have the MC number yet, ask the company directly. It should appear on their business cards, website, or any quote they give you. Legitimate carriers are usually quick to provide it.

Key Takeaways

  • The FMCSA's SAFER database at safer.fmcsa.dot.gov is the official place to look up any MC number for free.
  • You can search by company name, MC number, or DOT number — you don't need the exact MC number to start.
  • A valid record shows the company's safety rating, inspection history, and whether they're currently authorized to operate.
  • If a company won't provide their MC number or it doesn't appear in SAFER, that's a red flag.

How to search the SAFER database

Go to safer.fmcsa.dot.gov and you'll see a search box at the top of the page. You have three options: enter the company name, the MC number, or the DOT number. Start with whichever you have.

If you search by company name, the database will return a list of results. Look for the exact company you're checking — names can be similar, so make sure the address and location match. Click on the company name to open its full record.

The search takes a few seconds. If nothing comes up, try searching again with a slightly different version of the name (for example, without "Inc." or "LLC"). If still nothing appears, the company may not be registered with the FMCSA, which means they're not authorized to haul freight across state lines.

What the safety record tells you

Once you open a company's record in SAFER, you'll see several pieces of information. The safety rating is the most important: it will show "Satisfactory," "Conditional," or "Unsatisfactory." A satisfactory rating means the company passed its most recent safety audit. Conditional means they passed but have some violations to address. Unsatisfactory means they failed and may face restrictions.

Below the rating, you'll see the company's inspection history — how many times they've been inspected and what violations were found. You'll also see whether they're currently authorized to operate. If the status says "Inactive" or "Out of Service," the company is not legally permitted to haul freight right now.

The record also shows the company's insurance status and whether they have any open safety investigations. This information is public and updated regularly by the FMCSA.

Why you might not find an MC number

If you search for a company and nothing comes up in SAFER, there are a few reasons why. The company might operate only within a single state, in which case they wouldn't need an MC number — they'd have a state-level license instead. You can contact your state's Department of Transportation to check for intrastate carriers.

Another possibility is that the company is new and hasn't yet been assigned an MC number by the FMCSA. New carriers typically receive their number within a few weeks of explore, but there can be delays. If the company is brand new, ask them for their process confirmation or expected approval date.

If a company claims to be a national carrier but has no MC number and no record in SAFER, that's a warning sign. They may not be licensed to operate, which puts you at legal and financial risk if something goes wrong during a move or shipment.

The difference between MC numbers and DOT numbers

You may hear both terms used interchangeably, but they're slightly different. A DOT number is assigned to any company with commercial vehicles that weigh over 10,000 pounds. An MC number is assigned specifically to carriers that transport cargo or passengers for hire across state lines. Most trucking companies have both.

If a company has a DOT number but no MC number, they may only operate within one state or may not be authorized to haul freight. The SAFER database searches both, so you can use either number to find the company's record.

Red flags when checking an MC number

If the company won't give you their MC number, that's a reason to pause. Legitimate carriers are transparent about their licensing and safety record. If they say they don't have one or claim it's "private," they're either not authorized to operate or they're hiding something.

Another red flag is if the SAFER record shows an "Unsatisfactory" safety rating or multiple serious violations. While one or two minor violations don't necessarily mean the company is unsafe, a pattern of failures suggests problems with their operations or maintenance.

If the company's status in SAFER is "Inactive" or "Out of Service," they are not currently permitted to haul freight. Using an inactive carrier puts your shipment at risk and may expose you to liability if something goes wrong.

What to do if you find a problem

If you discover that a company has an unsatisfactory rating or is inactive, you have options. You can ask the company directly about the issues and whether they've taken steps to fix them. Some companies improve their ratings over time, and the SAFER record will reflect that.

You can also file a complaint with the FMCSA if you've had a bad experience with a carrier. Go to safetydata.fmcsa.dot.gov and look for the complaint form. The FMCSA investigates complaints and can take enforcement action if a company is operating unsafely or without proper licensing.

If you're hiring a moving company or freight broker, checking the MC number is one step. You should also ask for references, check online reviews, and confirm their insurance coverage before signing a contract.

Frequently Asked Questions

Can I look up an MC number if I only have the company's phone number or address?

The SAFER database doesn't search by phone number or address directly. You'll need the company name, MC number, or DOT number. If you have the company's website, you can usually find their MC number there, or call and ask them for it.

What does "Conditional" safety rating mean?

A conditional rating means the company passed its safety audit but has violations or issues that need to be corrected within a set timeframe. It's not as good as satisfactory, but it's not a failure either. Check the inspection details to see what violations were found.

Is an MC number the same as a license plate number?

No. An MC number is a federal identifier for the company itself, not for individual trucks. A license plate is assigned to a specific vehicle. The MC number stays the same regardless of how many trucks the company owns.

What if the company says they're too small to need an MC number?

If a company hauls freight across state lines for payment, they need an MC number. The only exception is if they operate only within one state. If they claim to be a national carrier but say they don't need an MC number, that's not accurate.

How often is the SAFER database updated?

The FMCSA updates SAFER regularly as new inspections and complaints are filed. Safety ratings can change, so it's worth checking again if you're making a decision weeks or months after your first search.