How to Find a Vehicle Tag Number Using the VIN

You can find a vehicle's tag number by entering the VIN into your state's motor vehicle database or by contacting your state's Department of Motor Vehicles directly

The tag number (also called a license plate number or registration number) is not stored in the VIN itself — the VIN is a separate identifier. However, your state's DMV keeps both pieces of information linked in their records. If you have the VIN and need the tag number, you have three main routes: search your state's online VIN lookup tool, call the DMV, or visit in person with proof of ownership or a legitimate reason for the request.

The fastest method depends on your state. Some states offer free public VIN lookups on their DMV website. Others restrict tag number searches to vehicle owners, law enforcement, or insurance companies. A few states do not offer any online lookup at all and require a phone call or office visit.

Key Takeaways

Your state's DMV website may have a free VIN lookup tool that returns the tag number, but availability varies by state.
If you own the vehicle, you can call your state's DMV with the VIN and they will provide the tag number over the phone.
Some states restrict tag number lookups to the registered owner or to people with a documented reason, such as insurance or law enforcement.
If the vehicle is registered to you, your registration paperwork already shows both the VIN and tag number together.

Check your state's DMV website for an online VIN lookup tool

Start by visiting your state's official Department of Motor Vehicles website. Look for a section labeled "VIN lookup," "vehicle records," "registration lookup," or "check registration status." The exact name varies by state.

Enter the VIN in the search box. Some states ask for additional information — the vehicle's year, make, or model — to narrow the results. A few states require you to enter the tag number you already have in order to look up the VIN, which is the reverse of what you need; if that is the case, move to the phone or in-person method.

If the lookup returns results, the tag number will appear on the registration record. Write it down exactly as shown, including any letters or numbers after the main plate number.

Call your state's DMV if the online tool is not available

If your state does not offer an online lookup, or if the online tool requires information you do not have, call the DMV directly. Have the VIN ready when you call. You will reach a customer service representative who can search their database by VIN.

Be prepared to explain why you need the tag number. If you are the registered owner, say so and have your driver's license number or registration paperwork ready. If you are not the owner — for example, you are an insurance agent or a family member — explain your relationship to the vehicle or your reason for requesting the information. Some states will provide the tag number only to the owner or to people with a documented need.

The DMV phone number is on your state's official website. Do not use a number from a third-party service, as those often charge a fee or route you to a private company rather than the actual DMV.

Visit the DMV in person with proof of ownership

If you cannot reach the DMV by phone or prefer to handle it face-to-face, visit your local DMV office with the VIN and a form of identification. Bring your vehicle registration if you have it, or a bill of sale, title, or insurance card showing the VIN.

Tell the staff member at the counter that you need to look up the tag number for a specific VIN. They will search the database and provide the tag number. This method usually takes 10 to 20 minutes, depending on how busy the office is.

Understand why some states restrict tag number lookups

Tag numbers are considered semi-public information in most states. The VIN is more restricted because it can be used to identify a specific vehicle and its owner. Some states limit who can search for a tag number by VIN to prevent misuse — for example, to stop someone from tracking a vehicle they do not own.

If you are denied a tag number lookup, it is usually because the state requires you to be the registered owner or to have a legitimate reason such as insurance, law enforcement, or a court order. If you believe you have a valid reason, ask the DMV representative what documentation they need. Some states will release the information if you provide a notarized letter explaining your need.

Use your registration paperwork if you already own the vehicle

If the vehicle is registered to you, the fastest way to find the tag number is to look at your registration card or renewal notice. Both documents show the VIN and the tag number side by side. You do not need to contact the DMV at all.

Your registration paperwork is usually in your vehicle's glove box or in your files at home. If you have lost it, you can request a replacement from the DMV for a small fee, or you can use the online lookup or phone method described above.

What to do if the VIN does not return any results

If you search the DMV database and the VIN does not appear, the vehicle may not be registered in that state, or the VIN may be entered incorrectly. Double-check the VIN for typos — it is 17 characters long and uses numbers and letters (but never the letters I, O, or Q).

If the VIN is correct but still does not appear, the vehicle may be registered in a different state. Try searching the DMV website of the state where the vehicle is garaged or where the owner lives. If you still cannot find it, contact the DMV by phone and ask them to search manually — sometimes records take a few days to appear in the online system after a recent registration or transfer.

Frequently Asked Questions

Can I look up a tag number for a vehicle I do not own?

Most states allow it only if you have a documented reason — you work in insurance, law enforcement, or have a court order. If you are a private person, the DMV will usually deny the request. Some states make an exception if you can show you have a legitimate safety or legal concern, but you will need to explain it to a DMV representative in person or by phone.

What if the VIN is from a vehicle that was recently sold or transferred?

If the vehicle changed owners recently, the tag number may still be linked to the old owner in the DMV system for a few days or weeks. The online lookup may show outdated information. Call the DMV directly and mention that the vehicle was recently transferred — they can tell you the current tag number and owner.

Is the tag number the same as the license plate number?

Yes. The tag number, license plate number, and registration number all refer to the same thing — the alphanumeric code on the metal plate attached to the front and back of the vehicle. The VIN is different and is stamped into the vehicle's frame.

Can I find a tag number using a free third-party VIN lookup website?

Most free third-party sites do not have access to current tag number information because that data is controlled by state DMVs. These sites usually show vehicle history, accident records, or title information instead. For a current, accurate tag number, use your state's official DMV website or contact the DMV directly.

What if I need the tag number urgently?

Call your state's DMV customer service line — most states answer phone calls within a few minutes during business hours. If you are the registered owner, they can provide the tag number over the phone when ready. If the DMV is closed, visit in person the next business day with your ID and registration paperwork.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.