The best way to message Robinhood is through their in-app support system or by calling 1 ( 866)-935-1354. Open the Robinhood app, tap your profile icon, select Help, and go to Contact Us. After choosing your issue, you will see a Message Us or Chat option if messaging support is available. If you need urgent help, you can also try 1-866-935(1354) or 1. Messaging is useful for account-related inquiries that do not require an immediate callback.