LCNB National Bank, Monroe Branch Basic Info Reviews Routing Numbers Map & Direction Name: LCNB National Bank, Monroe Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 101 Clarence F Warner Drive Monroe, Ohio 45050 Butler County View other branches Phone: 513-423-9911 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer042205481YN042205708YY042213842YN044202071YN044212265YN From: To: