Fortress Bank provides the community with sound financial solutions for business and personal use from our nine banking centers in Illinois and Iowa. A mortgage payoff statement can be a useful piece of documentation for some borrowers to request.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! 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. Do not enter any letters or the dash. Edu for a Payoff Request. 1345 Avenue of the Americas.