Mail the funds to the address listed in the payoff letter. If your loan is with Bank Midwest located in Minnesota, Iowa or South Dakota, use our online form for a convenient way to request your loan payoff amount.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. Edit, sign, and share payoff form online. No need to install software, just go to DocHub, and sign up instantly and for free. Please download the appropriate form below and submit to: Payoff Department MS 7703 1305 Main Street Do you need a loan payoff request form? How do I request a reprint of the payoff letter? It typically details the principal balance, interest due as of that date, per diem, any late fees, etc.