Located inside Walmart, at Germann Road and Gilbert Road. The walk-up ATM is open 24/7 daily, same as store hours (subject to change). Since 1939, we’ve helped thousands of members save money and achieve their dreams. We’ve grown from a small credit union serving the educational community to the Valley’s largest credit union, serving Arizona residents statewide. Desert Financial remains financially sound and strong. We encourage you to use our contactless banking options: online and mobile banking, phone banking, or ATMs whenever possible.