Guaranty Bank, Decatur Branch Basic Info Reviews Routing Numbers Map & Direction Name: Guaranty Bank, Decatur Branch Main Office: No Service: Full Service Retail Office Location: 2875 North Decatur Road Decatur, Georgia 30033 Dekalb County View other branches Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer061192669YN071974408YN072471939YN091071598YN275071288YY From: To: