Southside Bank, Whitehouse Main Branch Basic Info Reviews Routing Numbers Map & Direction Name: Southside Bank, Whitehouse Main Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 901 Hwy 110 N Whitehouse, Texas 75791 Smith County View other branches Phone: 903-839-5700 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111923607YY111924237YY311981533YY From: To: