If you are unable to get assistance via Cash app support, you can contact us by calling 1 (800) 969-1940. However, You can also contact us by mail at the following address: Cash App, 1455 Market Street Suite 600. San Francisco, CA 94103. Although, as a reminder, no one representing the Cash app will ask for your mobile access code, on social networks, or by any other way.
https://www.square-cash-app.com/