Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts.You may need to contact lenders and creditors to notify them the person is deceased and the accounts need to be closed, even if the account has a zero balance. The bank will not allow you to close it unless you have a letter of authorization from the probate court. Find out what happens to your spouse's credit after they die, the steps you need to take and if you're responsible for their debts. Cancel any existing credit cards or lines of credit in the Decedent's name. 6. Discover® Deceased Account Services Specialists will work with you to close a deceased person's account. If you get any bills in the mail for your deceased father, do not open them. Just write on the envelope "Return to sender. Deceased.". For example, are you a joint owner of the account?