Depending on your lender, you may have to sign in to an online account, call a helpline, or send a formal letter to start the request process. 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. Filling out this form is straightforward. Request a payoff quote. Are you looking to make your final payment? To request your payoff balance, please submit your request or call us at (877) 693-6898 with any questions. Turn to the people at your table and find out the following information from them.