Southern Bancorp Bank, El Dorado Branch Basic Info Reviews Routing Numbers Map & Direction Name: Southern Bancorp Bank, El Dorado Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1615 West Hillsboro El Dorado, Arkansas 71730 Union County View other branches Phone: 870-875-6041 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer082901334YY082908751YN084100638YN084104883YN084107343YN084205724YN284273912YN From: To: