SONABANK, Fairfax Branch Basic Info Reviews Routing Numbers Map & Direction Name: SONABANK, Fairfax Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 10855 Fairfax Boulevard Fairfax, Virginia 22030 Fairfax County View other branches Phone: 703-273-0050 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer051409278YY055003421YN055073448YN056073599YN255072582YN From: To: