You cannot look up your Illinois driver license number using only your Social Security number through a public search tool

The Illinois Secretary of State does not offer a public database where you can enter your SSN and retrieve your license number. Your Social Security number is not linked to a searchable public record in Illinois — the state treats SSN as sensitive information and does not publish it alongside license data.

If you need your license number, you have specific routes depending on whether you still have your physical card, whether your license is active, and whether you can visit an office or need information remotely.

Key Takeaways

  • Illinois does not allow public lookup of driver license numbers by Social Security number through any state website or phone line.
  • If you have your physical license card, your number is printed on the front in the upper right corner.
  • If you lost your card or it expired, you can contact the Illinois Secretary of State Driver Services by phone or visit a local facility with your ID to request your number.
  • Your license number stays the same throughout your life in Illinois unless you request a new number when renewing.
  • Insurance companies, employers, and government agencies can verify your license number if you provide it to them directly.

Finding your number if you still have your physical card

Your Illinois driver license number appears on the front of your card in the upper right corner, printed in large digits. It is a 12-digit number that begins with a letter. This is the fastest way to locate it if your card is in your possession.

If your card is damaged but still readable, the number on the front is the one you need. Do not confuse it with the barcode on the back — that is a machine-readable version of the same information, not a separate number.

Contacting the Illinois Secretary of State if your card is lost or expired

The Illinois Secretary of State Driver Services office can tell you your license number over the phone or in person. Call 217-782-6900 during business hours (Monday through Friday, 8 a.m. to 5 p.m. Central Time). Have your full name, date of birth, and current address ready. The staff member will verify your identity using this information and provide your number.

If you prefer to visit in person, you can go to any Illinois Secretary of State facility. Bring a government-issued photo ID (passport, expired driver license, or state ID card). Staff will look up your number in the system and provide it to you on the spot. This route takes minutes and requires no appointment.

If your license expired more than a year ago, the state may have purged some records, but your number is usually still retrievable. Call ahead to confirm the office has your information before making a trip.

What to do if you need your number for insurance or employment

If an insurance company, employer, or government agency is asking for your license number and you cannot locate it, tell them you do not have it available and ask whether they can look it up themselves. Many organizations have access to state databases and can retrieve your number if you provide your name, date of birth, and state.

Insurance companies in particular often have this capability — they can search the Illinois Secretary of State database using your personal information and pull your license number directly. This saves you a step and ensures the number they record is accurate.

Understanding your Illinois license number format

Illinois driver license numbers are 12 characters long and follow a specific pattern: one letter followed by 11 digits. The letter at the start is based on your last name, and the digits encode your date of birth and other identifying information. This format has been in use since the 1990s.

Your license number does not change when you renew your license unless you specifically request a new number. Most people keep the same number for life. You would only receive a new number if you asked for one during renewal or if the state issued a corrected license due to an error.

Why the state does not allow SSN-based lookup

The Illinois Secretary of State keeps Social Security numbers separate from publicly searchable records as a security measure. SSN is considered sensitive personal information, and linking it to a public lookup tool would create a privacy risk. Even though you provide your SSN when you first get a license, the state does not use it as a public search key.

This is standard practice across most states. The goal is to prevent identity theft and unauthorized access to personal records. If someone had your SSN, they could theoretically search for your license number and use it to impersonate you or commit fraud. By requiring you to call or visit in person, the state adds a verification step that protects you.

What happens if you cannot remember your SSN but need your license number

You do not need your SSN to retrieve your license number from the Secretary of State. Call 217-782-6900 and provide your full name, date of birth, and current address instead. The staff will use this information to locate your record and give you your number.

If you are visiting an office in person, bring your government-issued photo ID. You will not be asked for your SSN during this process. The state uses name, date of birth, and address as the primary identifiers for driver records.

Frequently Asked Questions

Can I look up someone else's driver license number if I have their SSN?

No. Illinois does not allow anyone to search for another person's license number using SSN or any other method. Only the license holder or authorized government agencies can access this information. If you need someone's license number for a legitimate reason, ask them directly.

Will my license number change if I renew my license?

No, your number stays the same when you renew. Illinois keeps your number for life unless you request a new one. You would only get a new number if you asked for it during renewal or if the state corrected an error on your record.

What if the Secretary of State office says they cannot find my record?

This usually means your license has been inactive for many years or was never issued in Illinois. If you believe you had a license, ask the staff to search under variations of your name or check whether you may have held a license in another state. You may need to reapply for a new license.

Can I get my license number online through the Illinois Secretary of State website?

No online lookup tool exists for driver license numbers. The Secretary of State website allows you to renew your license or check the status of an process, but not to retrieve a forgotten number. Phone or in-person contact is required.

Is my driver license number the same as my state ID number?

No. If you hold both a driver license and an Illinois state ID card, each has its own separate number. They are not interchangeable. Use the number from whichever document the organization is asking for.