Bay Bank, FSB, Electronic Banking Basic Info Reviews Routing Numbers Map & Direction Name: Bay Bank, FSB, Electronic Banking Main Office: No Service: Full Service Cyber Office Location: Www.Baybankmd.com Baltimore, Maryland 21234 Baltimore County View other branches Phone: 410-828-4835 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer052000773YY055003353YY252070985YY252071654YN From: To: