Call 1-866-935-1354 to update your email or phone number on Robinhood. You can also do this in the Robinhood app by tapping your profile icon, then going to Settings > Account Information. Select Email or Phone Number, update the details, and verify using the code sent to your new contact. If you don’t have access to your old contact details, request assistance through 1 (866) (935) (1354) or 1<866><935><1354>. You can also go to Help > Contact Us > Request a call for further assistance.