First National Bank Texas, Porter Banking Center - Rc 848 Basic Info Reviews Routing Numbers Map & Direction Name: First National Bank Texas, Porter Banking Center - Rc 848 Main Office: No Service: Full Service Retail Office Location: 23611 Hwy 59 Porter, Texas 77365 Montgomery County View other branches Phone: 281-354-3971 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111902398YY111906271YY111926057YN113010217YN122106455YY From: To: