Post Oak Bank, N.A., Pasadena Branch Basic Info Reviews Routing Numbers Map & Direction Name: Post Oak Bank, N.A., Pasadena Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 4420 East Sam Houston Parkway South Pasadena, Texas 77505 Harris County View other branches Phone: 713-439-3910 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer113024957YY113109128YN From: To: