SONABANK, Warrenton Branch Basic Info Reviews Routing Numbers Map & Direction Name: SONABANK, Warrenton Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 550 Broadview Avenue Warrenton, Virginia 20186 Fauquier County View other branches Phone: 540-347-4521 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer051409278YY055003421YN055073448YN056073599YN255072582YN From: To: