First Farmers & Merchants Bank, Le Sueur Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Farmers & Merchants Bank, Le Sueur Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 112 South Main Street Le Sueur, Minnesota 56058 Le Sueur County View other branches Phone: 507-665-2265 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer091912330YY091916077YN From: To: