The Farmers & Merchants Bank, Prairie Grove Branch Basic Info Reviews Routing Numbers Map & Direction Name: The Farmers & Merchants Bank, Prairie Grove Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 202 Hindman St Prairie Grove, Arkansas 72753 Washington County View other branches Phone: 479-846-5414 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082901619YN082907477YY082907529YN084100858YN From: To: