Can't remember your customer ID number? No problem! Simply provide us with the travelers full name and email address associated with the account and we will email you your customer ID number. It is very important to know your customer ID number because this allows you access to make payments, review travel information and when it comes time, print your travel documents. Our Customer Care department is also available to answer questions by calling 877-GRADCITY, Monday-Friday 9:00am-6:00pm EST and your account is accessible 24 hours a day for your convenience.