Green Bank, Houstonian Branch Basic Info Reviews Routing Numbers Map & Direction Name: Green Bank, Houstonian Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 109 North Post Oak Lane, Suite 100 Houston, Texas 77024 Harris County View other branches Phone: 713-316-7050 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111903821YN111906242YN111916999YN111925634YN113024164YY113025150YN113025396YN311079571YN From: To: