SunTrust Bank, Darnestown Branch Basic Info Reviews Routing Numbers Map & Direction Name: SunTrust Bank, Darnestown Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 14112 Darnestown Road Germantown, Maryland 20874 Montgomery County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer051000020YN053100465YN055002707YN061000104YY061100790YN063102152YN063106750YN064000046YN084006952YN From: To: