Are you an out of state driver that got a DUI in CA? Breathe Easy, we can help satisfy CA DMV requirements while protecting your driving record in your home state. Do you know what an X-number is? An X-number is a reference number issued by the state after a DUI arrest. The state issue's an X-number because they cannot use your driver’s license number from your home state. You need to satisfy your infraction, and suspension in CA before you can renew your license in your home state.