Mutual Savings Association, FSA, Leavenworth Plaza Shopping Center Br Basic Info Reviews Routing Numbers Map & Direction Name: Mutual Savings Association, FSA, Leavenworth Plaza Shopping Center Br Main Office: No Service: Full Service Brick and Mortar Office Location: 3400 South Fourth Street Leavenworth, Kansas 66048 Leavenworth County View other branches Phone: 913-682-7088 Please enable JavaScript to view the comments powered by Disqus. From: To: