Quickly check your balance and transaction history online 24/7 by logging in to GreenDot.com or the mobile app. You may also add your mobile number with Green Dot by logging in to your account and selecting Account Settings.  Then you can text the following commands to 42586: To get your balance, text “BAL Last4” to 42586​ (where Last4 is the last 4 digits of your card number). To check your transactions, text “HIST Last4” to 42586​ (where Last4 is the last 4 digits of your card number). We don’t charge customers to receive a text message, but your carrier data and message rates still apply. If you choose to call, please note the balance provided may not include transactions made within the last 30 minutes. The most accurate balance information, and the fastest to access, is using the website or app.​