"I am writing to request a payoff letter for my loan, account number XXXXXXXX, with a requested payoff date of (date)." Creating a payoff letter is essential to any loan or mortgage repayment process.Our free templates and this guide can help you get started. A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish. The first step is to get in touch with your lender or loan servicer. You can find their contact information on your monthly statements. A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work. A mortgage payoff letter can come in two forms.