Mutual Savings Association, FSA, Mutual Savings Association, Fsa Basic Info Reviews Routing Numbers Map & Direction Name: Mutual Savings Association, FSA, Mutual Savings Association, Fsa Main Office: Yes Service: Full Service Brick and Mortar Office Location: 100 South 4th St Leavenworth, Kansas 66048 Leavenworth County View other branches Phone: 913-682-3491 Please enable JavaScript to view the comments powered by Disqus. From: To: