Use email service to get Cash app Customer Service help.

While you install the Cash app on your smartphone, then you have to create a user id and keep a password.And, also provide your email address, phone number, account details.You can add more than one account number if they all are register with the same mobile number.If you have any doubts to add multiple accounts or related to user-id or anything, then type your query via using email service to Cash app Customer Service help.