Our mobile and web services allow you to obtain real time account information, deposit checks, pay bills, transfer funds, purchase on the go, and more. Please click the link below to schedule an in-branch service appointment.1) Call the mortgage department and request an official principal payoff letter. 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. This service allows clients to conveniently secure accurate and up-to-date payoff information regarding the outstanding balance on their mortgage loans. 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. FASTAR - Request for Payment. FASTAR - Request for Recusal. Use SmartAsset's free Arizona mortgage loan calculator to determine your monthly payments, including PMI, homeowners insurance, taxes, interest and more.