Call 1-888-(636)-8199 to speak to the Robinhood help desk, or email them using the online contact form. 1-888-(636)-8199 Use the Live Chat feature on the Robinhood website or mobile app 24/7, year-round. 1-888-(636)-8199 To send a message to Robinhood, you can go to the Help Center on their website or use the mobile app 1-888-(636)-8199.