Apply for USDOT & MC Numbers
Registering with the FMCSA is mandatory for interstate commerce. Learn the difference between DOT and MC numbers, how to apply, and the timelines involved in getting your operating authority active.
You have your business entity and your equipment. Now you need the federal government's permission to operate as a commercial motor carrier. This requires registering with the Federal Motor Carrier Safety Administration (FMCSA).
USDOT Number vs. MC Number
Many new owner-operators are confused by the alphabet soup of government acronyms. The two most critical numbers you need are your USDOT number and your MC number. They serve different purposes, but you need both to haul freight for hire across state lines.
The USDOT Number
The Tracker
Think of the USDOT number as your company's fingerprint. It serves as a unique identifier when collecting and monitoring a company's safety information acquired during audits, compliance reviews, crash investigations, and inspections. Almost all commercial vehicles operating in interstate commerce require a USDOT number. It is issued instantly upon completing the application.
The MC Number
The Permission Slip
The MC (Motor Carrier) number, also known as "Operating Authority," dictates what kind of trucking business you can run. It grants you the legal right to transport regulated freight (or passengers) for hire in interstate commerce. Unlike the DOT number, the MC number is not active immediately; it requires a waiting period and proof of insurance.
The Application Process (Unified Registration System)
You will apply for both your USDOT and MC numbers simultaneously through the FMCSA's Unified Registration System (URS). Here is what you need to prepare before starting the application:
- Your Employer Identification Number (EIN) or SSN.
- Your company's legal name and DBA (Doing Business As) if applicable.
- Principal place of business address.
- Details about your operation (e.g., what type of cargo you will haul).
- A credit card to pay the $300 filing fee for the MC Authority. (The USDOT number itself is free).
The 21-Day Waiting Period
Once you submit your application and pay the fee, you will receive your MC number immediately—but it will not be active. The FMCSA mandates a 21-day "protest period" during which your application is published in the FMCSA Register. During these 21 days, you must complete the next two steps (Insurance and BOC-3) for your authority to become "Active" on day 22. You cannot haul freight for hire until your MC status changes to Active.
Types of Operating Authority
When applying, you must select the correct type of operating authority. Choosing the wrong one will delay your application and cost you another $300 fee to fix.
- Motor Carrier of Property (Except Household Goods): This is the standard authority for 95% of owner-operators. It allows you to haul general freight (dry van, reefer, flatbed) for compensation.
- Motor Carrier of Household Goods: Required if you are running a moving company. This has significantly stricter regulations and insurance requirements.
- Broker of Property: If you plan to arrange the transportation of freight rather than hauling it yourself, you need Broker Authority. (Note: You can hold both Carrier and Broker authority, but they require separate $300 filing fees).
Next Steps
You've submitted your application, paid your $300, and the 21-day clock has started ticking. You cannot sit back and wait. You must use these 21 days to secure your commercial insurance, which is the most expensive and complex part of starting your trucking company.
Authority Setup Steps
Let Us File It For You
The FMCSA portal is notoriously confusing. First Bridge Dispatch will file your USDOT and MC applications accurately the first time to avoid costly delays.
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