Enter your birthdate. MM/DD/YYYY Enter the last four digits of your driver's license number or the last 4 digits of your social security number. Information must match exactly what was provided on your voter registration card or your record cannot be located. If your driver's license number does not provide a match, try the last 4 digits of your social security number. If there is no match, please call 831-454-2060 or e-mail inger.christenson@co.santa-cruz.ca.us