As a local credit union, we are strong enough to provide you with everything you need, yet small enough to know you personall ... y and care about helping you prosper any way we can. When you choose Prospera, you become a member, not just a customer. Part of a family. A family that works together for everyone's benefit. We offer personal guidance through all your life stages to help connect the dots on your financial journey. Appleton Branch and Corporate Offices 4830 N. Ballard Rd. Appleton, WI 54913 Darboy Branch N9660 County Rd. N Appleton, WI 54915 Neenah Branch 934 S. Green Bay Rd. Neenah, WI 54956 Menasha Branch 849 Warsaw St. Menasha, WI 54952 Oshkosh Branch 90 Wisconsin St. Oshkosh, WI 54901 read more