If you wish to speak to Cash app customer service for a refund, then you can dial this below number. But, before it, you can try the below guidelines to settle down your queries in a faster way. So, first, you have to click on the profile icon and then on the payment tab. Next, click on the main menu and then on the refund tab. Next, click on the OK tab to confirm your request. https://www.mailsupportnumber.com/cash-app-customer-service-number.html