Your license plate number is printed on the metal plate bolted to your vehicle's front and rear bumpers

The easiest place to find your license plate number is to walk to your car and look at the plate itself. The number is the combination of letters and numbers displayed on the metal plate attached to your front bumper and rear bumper. Write it down or take a photo if you need it for a form or phone call.

If your vehicle is parked in a garage or you cannot access it right now, your license plate number also appears on several documents you already have at home. You do not need to visit your car or contact the DMV to find it.

Key Takeaways

  • Your license plate number is visible on the metal plate mounted to your vehicle's front and rear bumpers.
  • Your registration certificate, insurance card, and vehicle title all display your license plate number in the same format as the physical plate.
  • If you have lost all documents and cannot access your vehicle, your state's DMV website or phone line can look up the number using your vehicle identification number (VIN) or driver's license.
  • The format varies by state — some plates use letters followed by numbers, others mix them throughout, and some include county codes or special designations.

Check your registration certificate or insurance card

Your vehicle registration certificate is the official document your state's DMV issued when you registered your car. It lists your license plate number near the top or bottom of the page. If you keep it in your glove compartment, you can find the number in seconds without leaving your house.

Your auto insurance card also displays your license plate number. Most people carry this in their wallet or keep it in the car. The number appears alongside your vehicle's make, model, and year.

Your vehicle title — the document proving you own the car — includes the license plate number as well. If you store these documents in a file at home, check there first.

Look at your vehicle identification number (VIN)

Your VIN is a 17-character code that uniquely identifies your vehicle. You can find it on your dashboard on the driver's side (visible through the windshield from outside), on your registration certificate, or on your vehicle title. The VIN itself does not contain your license plate number, but you can use it to look up your plate number through your state's DMV.

Most state DMV websites have a tool where you enter your VIN and driver's license number, and the system returns your current license plate number. This works even if you have moved, changed insurance, or lost your registration documents.

Contact your state's DMV by phone or website

If you cannot find your registration, insurance card, or title, call your state's Department of Motor Vehicles directly. Have your VIN and driver's license number ready. The DMV staff member can look up your license plate number in their system in a few minutes and read it to you over the phone.

Many states also let you look this up yourself on the DMV website. Search "[your state] DMV look up license plate" and you will find a portal where you can enter your VIN or driver's license number. The system will display your current plate number when ready.

If your vehicle is registered in one state but you now live in another, contact the DMV in the state where the vehicle is registered, not your current state.

Understand what the numbers and letters mean

License plate formats vary widely by state. Some states use a pattern like three letters followed by four numbers (ABC 1234). Others use numbers and letters mixed throughout. A few states include a county code as part of the plate, and some have special plates for vanity requests, government vehicles, or disabled drivers.

The format does not affect how you use the number — it is the same whether your plate reads ABC1234 or 1ABC234. What matters is that you have the exact sequence of characters as they appear on your physical plate or your registration document.

What to do if your plate was stolen or lost

If someone stole your license plate or it fell off your vehicle, you still have a record of the number through your registration and insurance documents. Write down or photograph the number before you report it to the police and DMV.

Contact your state's DMV to report the missing plate. They will issue you a replacement plate, usually within one to three weeks. You can often order a replacement online or by mail without visiting an office in person. The new plate will have a different number unless your state allows you to request the same number again (policies vary).

Frequently Asked Questions

Can I look up someone else's license plate number?

No. Most states do not allow the public to search for license plate numbers through the DMV. You can only look up your own plate using your VIN and driver's license. If you need a plate number for a legal reason, you may need to work through a lawyer or law enforcement.

What if I have a temporary plate instead of a permanent one?

Temporary plates are issued when you buy a new vehicle or transfer registration. The number appears on a paper or plastic temporary tag displayed in your rear window. Your registration document will also show this temporary number. It is valid only for the period stated on the tag, usually 30 to 60 days.

Does my license plate number change if I move to a different state?

Yes. When you register your vehicle in a new state, you receive a new license plate with a new number. Your old plate becomes invalid. Contact the DMV in your new state to register your vehicle and receive your new plate.

Is my license plate number the same as my VIN?

No. Your VIN is a 17-character code unique to your vehicle's manufacturing and history. Your license plate number is a separate identifier issued by your state's DMV for registration and traffic enforcement. Both identify your vehicle, but they are different numbers.