SONABANK, Frederick Branch Basic Info Reviews Routing Numbers Map & Direction Name: SONABANK, Frederick Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 37 North Market Street Frederick, Maryland 21701 Frederick County View other branches Phone: 301-662-0681 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer051409278YY055003421YN055073448YN056073599YN255072582YN From: To: