Hay this is Amelia bailey, we offer free technical support to people who are facing technical issues. If don’t know what your Cash App Routing Number is then make a call to the cash app support team. you should check the proper guide from the official help canter where you will see the best solution and guidance regarding the same. https://www.cash-app-helps.com/blog/how-to-change-routing-number-on-cash-app/