SunTrust Bank, Messenger Service Branch Basic Info Reviews Routing Numbers Map & Direction Name: SunTrust Bank, Messenger Service Branch Main Office: No Service: Limited Service Messenger Office Location: 3461 Atlanta Highway Flowery Branch, Georgia 30542 Hall County View other branches Phone: 770-531-1240 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer051000020YN053100465YN055002707YN061000104YY061100790YN063102152YN063106750YN064000046YN084006952YN From: To: