A credential number is a unique identifier the DMV assigns to your driver's license to track it in their system
The credential number is a separate number from your driver's license number itself. It appears on your physical license and in DMV records, and it exists so the Department of Motor Vehicles can distinguish between different licenses you may have held over time — whether you renewed, replaced a lost or damaged card, or moved to a new state.
Think of it this way: your driver's license number stays the same for years, but if you lose your license and get a replacement, or if you renew it, the DMV issues a new credential number to track that specific card. This number helps the DMV keep records straight when you have multiple licenses in their system, whether from the same state or different states.
The credential number is not the same as your license number, your Social Security number, or your state ID number. It is purely an internal tracking tool for the DMV. You will rarely need to reference it in daily life, but it matters when you are dealing directly with the DMV — for instance, if you are reporting a lost license or requesting a duplicate.
Key Takeaways
- A credential number is a unique identifier assigned by your state's DMV to track individual driver's license cards in their system.
- Each time you renew, replace, or reissue your license, the DMV assigns a new credential number to that specific card.
- Your credential number appears on the back of your physical driver's license and in your DMV record.
- You will need your credential number if you report a lost or stolen license, request a duplicate, or contact the DMV about a specific card.
Where to find your credential number on your license
The location of the credential number varies by state, but it is typically printed on the back of your driver's license. Some states place it on the front. Check your state's DMV website or the back of your license itself — it is usually a short string of numbers, sometimes labeled as "Credential Number," "Card Number," or similar language depending on your state.
If you cannot locate it on your physical card, you can log into your state's DMV online portal (if your state offers one) and view your license information there. The credential number will be listed alongside your license number and other details. You can also call your local DMV office and provide your name and license number, and they can tell you your credential number over the phone.
Why the DMV tracks credential numbers
The DMV uses credential numbers to maintain an accurate record of every license card it has issued to you. When you renew your license every few years, the DMV issues a new card with a new credential number. If you lose your license and request a replacement, that replacement gets its own credential number. This system allows the DMV to track which specific card is valid and which ones have been superseded or reported lost.
This tracking is also useful for law enforcement and other agencies that interact with the DMV. If a license is reported stolen or used fraudulently, the credential number helps identify exactly which card was compromised, rather than just flagging your entire license history.
When you actually need to provide your credential number
In most everyday situations — buying alcohol, opening a bank account, or proving your identity — you do not need to mention your credential number. The cashier or bank employee will look at your license number and expiration date, and that is enough.
You will need your credential number when you contact the DMV directly about a specific license card. This includes reporting a lost or stolen license, requesting a duplicate card, asking about the status of a replacement, or disputing information on your current license. Having the credential number on hand speeds up the process because the DMV can pull up the exact card you are referring to, rather than searching through your entire license history.
Some states also ask for the credential number when you renew your license online or by mail, though many states only require your license number and date of birth. Check your state's renewal instructions to see what information you will need.
How credential numbers differ across states
Each state's DMV operates its own system, so credential numbers are not standardized across the country. One state might use a six-digit number, while another uses eight digits or a mix of letters and numbers. The format, length, and exact label on your license depend entirely on your state.
If you move to a new state and get a new driver's license, your new state will assign you a completely new credential number. Your old credential number from your previous state stays in that state's records but has no connection to your new license. The two systems do not share credential numbers.
What happens to your credential number when you renew
When your driver's license expires and you renew it, the DMV issues you a new physical card with a new credential number. Your old credential number becomes inactive in the system. The DMV keeps records of all your previous credential numbers, but only your current one is considered active.
This is why it is important to use your current credential number when contacting the DMV. If you reference an old credential number from a license you renewed years ago, the DMV may have difficulty locating your current information. Always use the credential number from your current, valid license.
Frequently Asked Questions
Is my credential number the same as my driver's license number?
No. Your driver's license number is a permanent identifier that stays the same throughout your life in that state. Your credential number changes each time you renew or replace your license. Both numbers appear on your license, but they serve different purposes.
Can someone use my credential number to commit fraud?
A credential number alone is not enough to commit identity fraud, since it only identifies which specific license card you hold. However, if someone has your credential number along with other personal information, it could be part of a larger fraud attempt. If you suspect your license information has been compromised, contact your state's DMV.
What should I do if I cannot find my credential number?
Check the back of your physical license first — it is usually printed there. If you still cannot locate it, contact your state's DMV office by phone or visit their website. You can also log into your DMV online account if your state offers one. Have your license number and date of birth ready when you call.
Do I need my credential number to renew my license online?
Most states do not require your credential number for online renewal — your license number, date of birth, and Social Security number are usually sufficient. Check your state's DMV website for the specific information needed for your renewal method.