The pay off amount includes interest and typically is slightly more than the loan balance. You can find the pay off amount in online banking or our mobile app.Under the Loan Information section, you will find a payoff request option that will take you to our payoff request form. First, you'll need to make sure your credit score and overall finances show that you're likely to be able to pay the loan. For deposits, loan payments, and all other stamped mail: Advancial Federal Credit Union 10000 N. Central Expy. Call us or fill out an online auto loan application today! Get a great price on a used vehicle through your very own credit union. InTouch Credit Union contact options including email form, important phone numbers and mailing address. Alliant Credit Union PO Box 660592. Dallas, TX 75266- 0592.