Mutual Savings Association, FSA, 515 Delaware Branch Basic Info Reviews Routing Numbers Map & Direction Name: Mutual Savings Association, FSA, 515 Delaware Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 515 Delaware Oskaloosa, Kansas 66066 Jefferson County View other branches Phone: 785-863-2205 Please enable JavaScript to view the comments powered by Disqus. From: To: