Lakeland Bank, Mendham Borough Branch Basic Info Reviews Routing Numbers Map & Direction Name: Lakeland Bank, Mendham Borough Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 106 East Main Street Mendham, New Jersey 07945 Morris County View other branches Phone: 973-543-9900 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer021203310YN021203792YY021205376YY021207057YN021213041YN021213232YN021213698YN031207979YY From: To: