To request a call from Robinhood support, you'll need 1-844-673-0406 to use the Robinhood app. There isn't a direct phone number to call. Instead, navigate to the app's 1-844-673-0406 support section, select your issue, and then choose the "Request a Call" option. Robinhood will then call you back 1-844-673-0406 within a few minutes.