Farmers and Merchants Savings Bank, Lone Tree Branch Basic Info Reviews Routing Numbers Map & Direction Name: Farmers and Merchants Savings Bank, Lone Tree Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 200 North Devoe Lone Tree, Iowa 52755 Johnson County View other branches Phone: 319-629-4222 Please enable JavaScript to view the comments powered by Disqus. From: To: