How do i contact green dot customer service? If you need to contact Green Dot customer service, you can do so by calling them on the phone, or reaching out through social media. In some cases, you can even find help from their extensive Frequently Asked Questions section on their website.How do i contact greenshield customer service? You can call them toll-free at 1.888.711.1119 or contact them by email at: [email protected] You can also click here for our customer complaint resolution process.How do i contact greenline loans? We want to help you get a loan fast, so please contact Greenline Loans if there's anything our team can do to help. You can reach us by phone, email, or traditional mail. We'd love to hear from you with any questions or concerns you might have!. If this is your first call to customer service, please call (877) 596-1337.