1) Call the mortgage department and request an official principal payoff letter. Free mortgage payoff calculator to evaluate options to pay off a mortgage earlier, such as extra payments, bi-weekly payments, or paying back altogether.NerdWallet's early mortgage payoff calculator figures out how much more to pay. If you have a current need for mortgage payment assistance, please contact your loan servicer. These pages serve as an archive and for reference purposes only. 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. Payment history—How your total payments have been applied, since your last statement and since the beginning of the year; transaction activity,. Use the extra payment calculator below to help determine how advantageous it is to pay a little extra each month toward your mortgage. After the first part of the application process is complete, a PNC Mortgage Loan Officer will reach out to finish the remainder of the preapproval. Loan payoff statements tell borrowers how much they must pay to close out a loan.