Post Oak Bank, N.A., Sugar Land Branch Basic Info Reviews Routing Numbers Map & Direction Name: Post Oak Bank, N.A., Sugar Land Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1600 Highway 6, Suite 150 Sugar Land, Texas 77478 Fort Bend County View other branches Phone: 713-499-1360 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer113024957YY113109128YN From: To: