Include your case number, the date of the payoff and your email address in your request. We will email the payoff statement to you upon receiving your request.The documents listed below must be included with this request when submitted: • Copy of all Palm Beach County's Mortgages. Please return form to: PHH Mortgage Corporation. A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Please return form to: PHH Mortgage Corporation. Received mortgage payoff.