Updated May 2026 · FMCSA Official Process
How to Get a DOT Number in 2026 (Complete Step-by-Step Guide)
Getting your USDOT number and MC operating authority is a 6-step process. The USDOT number itself is free and instant. The MC number (for interstate for-hire carriers) costs $300 and takes ~30 days. Before you apply, you need a business entity and EIN — here is the exact sequence.
First step: Form your LLC before applying — LegalZoom LLC formation ($149–$349)
Affiliate disclosure: We earn a commission if you sign up through our links. Costs you nothing.
To get a USDOT number in 2026, apply free at portal.fmcsa.dot.gov via the FMCSA Unified Registration System. You need your EIN, business address, and vehicle info. The USDOT number is issued instantly. Interstate for-hire carriers also need an MC number ($300), which takes 30–35 days total.
TL;DR — 5 steps + costs + timeline
- 1Form your LLC — protects personal assets, required by most insurers. Cost: $149–$349 via LegalZoom + state filing fee ($50–$500). Time: 1–5 days.
- 2Get your EIN from IRS.gov — free, online, instant. Required for FMCSA application.
- 3Apply for USDOT at portal.fmcsa.dot.gov via the Unified Registration System. Free. Issued instantly.
- 4Apply for MC authority (interstate for-hire only) — $300. Start 10-calendar-day protest period clock.
- 5File BMC-91 + BOC-3 during the 10-day window. MC activates after the window closes with no protests.
$0
USDOT number
$300
MC operating authority
~30 days
USDOT + MC total time
$10K+
Est. full startup cost
What is a USDOT number?
A USDOT number (United States Department of Transportation number) is a unique identifier assigned by FMCSA to commercial motor vehicles engaged in interstate commerce. It is your federal ID as a carrier — tied to your safety record, roadside inspection history, crash reports, and compliance data visible in FMCSA's SAFER (Safety and Fitness Electronic Records) system.
Under 49 CFR 390.21, commercial motor vehicles operating in interstate commerce must display the USDOT number on both sides of the vehicle. Your USDOT number stays with your business entity — it does not transfer if you sell your trucks.
Who needs a USDOT number?
- Vehicles with GVWR or combination GVWR over 10,001 lbs operating in interstate commerce
- Vehicles transporting hazardous materials requiring placards, in interstate or intrastate commerce
- Vehicles designed to transport 9 or more passengers (including driver) for compensation
- Vehicles transporting 16 or more passengers (not for compensation)
Note: Many states have adopted their own USDOT requirements for intrastate carriers. Even if you only haul within one state, check your state DOT — California, Texas, Florida, and others require USDOT numbers for intrastate CMVs above certain thresholds.
USDOT vs MC number — what is the difference?
USDOT Number
- Identification number for your carrier entity
- Tracks safety performance (inspections, crashes, violations)
- Required for all interstate CMVs over 10,001 lbs GVWR
- Cost: Free
- Issued instantly via online application
- Does NOT grant permission to transport for-hire
MC Number (Operating Authority)
- Legal permission to transport property or passengers for hire
- Required for interstate for-hire carriers
- Not required for private carriers hauling own goods
- Cost: $300 per authority type
- 10-calendar-day public protest period before activation
- Requires BMC-91 insurance filing + BOC-3 to activate
The MC number is the authority that brokers and shippers check before tendering loads. Without an active MC number, you cannot legally haul freight for hire across state lines — even if you have a USDOT number. Both are issued through FMCSA's Unified Registration System.
Do I need a USDOT number, MC number, or both?
| Carrier Type | USDOT | MC Number | Notes |
|---|---|---|---|
| Private carrier (haul own goods), interstate | Required | Not required | No operating authority needed — not transporting for hire |
| For-hire carrier, interstate freight (broker loads) | Required | Required | Most owner-operators fall in this category |
| Intrastate carrier (one state only) | State-dependent | Not required (fed) | Check your state DOT — many require state MC number |
| Hazardous materials, any route | Required | Required (if for-hire) | HazMat endorsement on CDL also required |
| Passenger carrier (9+ passengers, for compensation) | Required | Required | Higher insurance minimums under 49 CFR 387 |
Tip: Most new owner-operators haul for brokers across state lines — that is interstate for-hire. You need both USDOT and MC.
Step-by-step: how to get your DOT and MC number
Form your business entity (LLC recommended)
Before you touch FMCSA, form your business. Nearly every commercial truck insurer requires a formal business entity to issue a commercial auto policy. A sole proprietorship puts your personal assets — home, savings, vehicles — at risk from accidents or lawsuits.
An LLC is the standard structure for owner-operators: limited liability protection, pass-through taxation, and simple filing requirements. Formation typically costs $149–$349in service fees plus your state's filing fee (ranges from $50 in Kentucky to $500 in Massachusetts).
Get your EIN from the IRS (free, instant)
An Employer Identification Number (EIN) is your federal tax ID — think of it as a Social Security number for your business. FMCSA requires your EIN to complete the USDOT/MC application. You cannot apply with a personal SSN on a business entity.
Apply at irs.gov/ein — it is free, fully online, and takes about 10 minutes. You get your EIN immediately after completing the online form. Do this after your LLC is approved.
Apply for your USDOT number via the Unified Registration System (URS)
Go to portal.fmcsa.dot.gov and register for the Unified Registration System. The URS handles USDOT registration, MC authority applications, and biennial updates all in one portal.
You will need: your EIN, legal business name, principal business address, mailing address, carrier type (for-hire vs private), operation classification, vehicle information (number of power units, trailers), and commodity type. The USDOT number is issued instantly after you complete the application.
Cost: Free. FMCSA charges no fee for USDOT number registration.
Apply for MC operating authority (interstate for-hire carriers only)
If you will be transporting freight or passengers for compensation across state lines, you must apply for operating authority (MC number) through the same URS portal. Select "Motor Carrier of Property" for standard freight, or the appropriate authority type for household goods, hazmat, or passengers.
Cost: $300 per authority type. This triggers a 10-calendar-day public protest period during which anyone (existing carriers, competitors) can formally protest your application. Very few protests are filed against standard freight carriers.
File BMC-91 insurance + BOC-3 process agent during the protest window
While the 10-calendar-day protest clock runs, two filings must be on record before your MC authority can activate:
- BMC-91 / BMC-91X — Filed by your insurance company directly to FMCSA. Certifies your minimum liability coverage under 49 CFR 387. You do not file this yourself — your insurer does. Get your commercial truck insurance in place and tell your agent to file the BMC-91 immediately.
- BOC-3 — Designates a process agent in every U.S. state where you operate. Required for service of legal documents. Typically filed by a third-party process agent company for $25–$50/year.
After the 10-calendar-day protest period ends with no protests and both filings on record, FMCSA activates your MC authority. Processing after the protest period typically adds 7–10 business days.
Pass your New Entrant Safety Audit (within first 12 months)
All new carriers with operating authority must pass a New Entrant Safety Audit within 12 months of MC activation. An FMCSA safety investigator reviews your compliance programs: driver qualification files, hours of service records, vehicle maintenance logs, and drug and alcohol program documentation. Failure results in MC revocation.
Complete costs breakdown — USDOT + MC registration
| Item | Cost | Who pays | Notes |
|---|---|---|---|
| LLC formation (service fee) | $149–$349 | You (LegalZoom or similar) | Plus state filing fee ($50–$500) |
| EIN from IRS | Free | — | Online at irs.gov/ein |
| USDOT number (FMCSA) | Free | — | Via portal.fmcsa.dot.gov URS |
| MC operating authority | $300 | You (FMCSA) | Per authority type. For-hire interstate carriers only. |
| BOC-3 process agent | $25–$50/yr | You (third-party agent) | Annual renewal required |
| Commercial truck insurance (first year) | $9,000–$15,000+ | You | Varies by commodities, radius, driving history |
| Drug & alcohol consortium | $100–$300/yr | You | Required for CDL drivers under 49 CFR 382 |
| USDOT biennial update | Free | — | Required every 2 years via URS |
The FMCSA fees are just the beginning. Insurance is the largest first-year expense for new carriers. See our full trucking startup cost breakdown for a complete picture.
Timeline — how long to get DOT + MC number?
Depends on state. Expedited options available.
Online application at irs.gov. Paper form takes 4–6 weeks — use online.
Issued immediately after completing URS application.
Can apply same day as USDOT. $300 triggers 10-calendar-day protest period.
Required by law. Cannot be shortened. File BMC-91 + BOC-3 during this window.
Assuming all filings are in order and no protests.
From filing to active MC authority.
Wrong carrier type, missing insurance filing, or formal protests add significant delays.
Common application mistakes that delay your MC authority
✗ Wrong carrier operation type
Selecting "private carrier" when you intend to haul for brokers (for-hire). Private carriers do not need an MC number — but also cannot legally haul loads from load boards. If you plan to use DAT One or Truckstop, you are for-hire.
✗ Wrong cargo or commodity type
Selecting general freight when you intend to haul household goods (HHG), hazmat, or passengers. Each requires different authority types, higher insurance minimums, and in some cases additional licensing.
✗ Missing or late BMC-91 filing
Your insurer must file the BMC-91 directly with FMCSA. This does not happen automatically. Call your agent after binding coverage and specifically request the BMC-91 filing. The BMC-91 must be on file before your MC authority can activate — do not wait until after the protest period to arrange this.
✗ BOC-3 filed only for home state
Your BOC-3 must designate process agents in every state where you operate — typically all 48 contiguous states. Filing only for your home state is a common error and a compliance violation.
✗ Applying without an EIN (using SSN)
FMCSA requires an EIN for business entities. Applying with a personal SSN on a business entity causes mismatches that delay processing. Get your EIN first.
✗ Using a home address as business address
Not technically wrong, but some states require a registered agent at a commercial address for LLCs. Using a home address can create complications with insurance carriers and state filings.
BOC-3 explained — what it is and why it is required
The BOC-3 (Designation of Process Agents) is a form that designates legal representatives in every U.S. state and the District of Columbia to accept service of legal documents on your behalf. If someone sues your carrier, they can serve the lawsuit through your designated process agent in their state — without the process serving having to track you down in your home state.
You do not file the BOC-3 yourself. You hire a blanket process agent company — typically for $25–$50 per year — and they file the BOC-3 with FMCSA on your behalf, listing agents in all 48 contiguous states (and DC). Most process agent companies file within 24–48 hours.
BMC-91 and BMC-91X insurance filing explained
The BMC-91 (and BMC-91X for cargo insurance) is the form your insurance company files directly with FMCSA certifying that you carry the minimum required liability coverage under 49 CFR 387. You do not file this form — your insurer does. But you are responsible for making sure it happens.
Minimum liability under 49 CFR 387.9
- $750,000 — General freight (most owner-ops)
- $1,000,000 — Household goods carriers
- $5,000,000 — Hazardous materials (certain classes)
- $1,500,000 — Passenger carriers (9–15 passengers)
What the BMC-91X covers
- Cargo insurance (required for household goods carriers)
- Minimum $5,000 per vehicle / $10,000 per occurrence
- Filed in addition to BMC-91 liability form
- Not required for standard general freight carriers
After binding your commercial truck insurance policy, call your agent and specifically ask them to file the BMC-91 with FMCSA. Confirm the filing reference number. Most brokers and shippers verify your insurance status through FMCSA's SAFER system — an inactive filing means you cannot haul.
After getting your DOT and MC — what to do next
Your MC authority is active. Here is what happens immediately after:
- 1Enroll in a DOT Drug & Alcohol Consortium
Required under 49 CFR 382 for all CDL drivers. You must enroll before your first load, conduct a pre-employment drug test, and remain enrolled for random testing. Cost: $100–$300/year.
- 2Install a compliant ELD
Required for most CMV drivers under the ELD mandate. Your ELD must be on the FMCSA-registered device list. See our best ELD picks for owner-operators →
- 3Get your carrier packet ready and start finding loads
Build your carrier packet (MC letter, insurance certificate, W-9, NOA). Start searching load boards. DAT One is the largest load board — most brokers post there. Compare the best load boards →
- 4Set up factoring to close the cash flow gap
Brokers pay net 30–60. You cannot wait that long when you have fuel, insurance, and truck payments due. Factoring gets you paid in hours. Outgo (by DAT) offers flat-fee factoring with no long-term contract — built for owner-operators. Compare factoring companies →
- 5Prepare for your New Entrant Safety Audit
You have 12 months from MC activation. FMCSA will contact you — do not ignore it. New Entrant Safety Audit guide →
DOT number FAQ
How do I get a DOT number for my truck?
Apply online through the FMCSA Unified Registration System (URS) at portal.fmcsa.dot.gov. You will need your EIN, business address, vehicle information, and carrier type. The USDOT number is issued instantly after completing the online application. There is no fee for the USDOT number itself.
How much does a DOT number cost?
The USDOT number itself is free. If you also need operating authority (MC number) for interstate for-hire transport, FMCSA charges $300 per authority type. Additional costs include BOC-3 process agent (~$25–$50/year), drug consortium enrollment (~$100–$300/year), and business formation if you have not yet registered an LLC.
Is a USDOT number free?
Yes. The USDOT number registration through FMCSA is free. There is no application fee for the USDOT number. The MC number (operating authority) costs $300 per authority type — that is separate from the USDOT.
How long does it take to get a DOT number?
The USDOT number is issued instantly online after completing the application at portal.fmcsa.dot.gov. The MC number (operating authority) requires a 10-calendar-day public protest period after application. With processing, plan for 30–35 days total. Errors in your application can add another 2–4 weeks.
Do I need a DOT number for a single truck?
It depends on your operation. Under 49 CFR 390.21, you need a USDOT number if your vehicle has a GVWR over 10,000 lbs and crosses state lines, if you transport hazardous materials in interstate commerce, or if you transport 9 or more passengers for compensation. Some states also require USDOT numbers for intrastate commercial vehicles.
What is the difference between MC and DOT number?
Your USDOT number is a unique identifier that tracks your safety record, inspections, crashes, and violations. It is required for identification and is free. The MC number is your operating authority — the legal permission to transport freight or passengers for hire across state lines. Interstate for-hire carriers need both. Private carriers who only haul their own goods need only a USDOT number.
Do I need an LLC to get a DOT number?
You do not strictly need an LLC to get a USDOT number — you can apply as a sole proprietor. However, forming an LLC before applying is strongly recommended. An LLC separates your personal assets from business liability, is required by most commercial insurance carriers, and makes your business appear more credible to brokers.
Can I get a DOT number without insurance?
You can receive a USDOT number without insurance in place. However, your MC operating authority will not activate until your insurer files the BMC-91 (and BMC-91X for cargo) with FMCSA. Under 49 CFR 387.9, minimum liability is $750,000 for general freight, $1,000,000 for household goods, and $5,000,000 for hazardous materials.
What happens after I get my DOT number?
After receiving your USDOT and MC numbers, you must: have your insurer file BMC-91/BMC-91X to activate your MC authority, file a BOC-3 for process agents in every operating state, enroll in a DOT drug and alcohol consortium, install a compliant ELD, and complete the FMCSA New Entrant Safety Audit within your first 12 months.
Ready to start? Form your LLC first.
Before FMCSA, before insurance, before your first load — you need a business entity and EIN. LegalZoom handles the LLC formation so you can move straight to your USDOT and MC application.
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Reviewed by Don Grazio · UC Bureau Compliance Lead
Don has 12+ years working with motor carriers on FMCSA compliance, including new entrant audits, MCS-150 filings, BMC-91 insurance setups, and ELD compliance. UC Bureau researches FMCSA regulations (49 CFR Parts 380–399) directly with carriers across the U.S. and Canada. Content is fact-checked against current federal regulations. UC Bureau is not affiliated with the U.S. Department of Transportation or FMCSA — we provide tools and guides to help carriers stay compliant. Learn more about UC Bureau →