Allegiance Bank, Brookshire Branch Basic Info Reviews Routing Numbers Map & Direction Name: Allegiance Bank, Brookshire Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 550 Fm 1489 Brookshire, Texas 77423 Waller County View other branches Phone: 281-391-4908 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111903258YN113024096YN113024410YN113024517YN113025723YY113113402YN From: To: