Fortress Bank provides the community with sound financial solutions for business and personal use from our nine banking centers in Illinois and Iowa. We would love to help you manage and grow your vision.If you are 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. Home loans with a personal touch. Compass Mortgage treats you like family. Sunwest Bank Mortgage Department. Please send your mortgage payments to: Sunwest Bank Attention: Note Department 2050 Main Street, Suite 300 Please enter only the 12 digits to the right of the dash in your account number.