How can I contact customer service? We offer two types of cards: a debit card for kids and a credit card for parents. To contact customer service for your Greenlight debit card, you can either text us at 404-974-3024, call us at 888-483-2645, or email us at firstname.lastname@example.org. To contact customer service for your credit card, the Greenlight Family Cash Card, you can either call us at 888-292-2039, or email us at email@example.com. Our team is always happy to help!