How To Activate Green Dot Card. Help activating a card Enter 3-digit CVV on the back of your card. Simply head to the Green Dot homepage and click Register Card on the top right-hand corner of the screen.
3 EASY STEPS TO GE T STARTE D. You will need to provide the card number the security code from the back of your card the expiration date and the last four digits of your social security number. Enter your card information.
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A prompt will ask you whether or not you have online banking by asking you to enter your online banking User ID and password. Simply head to the Green Dot homepage and click Register Card on the top right-hand corner of the screen. There are two ways to activate your Green Dot prepaid MasterCard. You will also have to select a four-digit PIN.
