Fortress Bank provides the community with sound financial solutions for business and personal use from our nine banking centers in Illinois and Iowa. If you're interested in learning how, please fill out this form and we'll be in touch.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 enter only the 12 digits to the right of the dash in your account number. Do not enter any letters or the dash. We offer a variety of online and mobile banking services to enhance your personal banking experience. We will only issue a payoff good through the next Change Date. If the closing date is past the next Change Date an updated. Ending list chronicling the latest mortgage layoffs, lender closures, and company mergers.