Western Alliance Bank, Carlsbad Branch Basic Info Reviews Routing Numbers Map & Direction Name: Western Alliance Bank, Carlsbad Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 2760 Gateway Road Carlsbad, California 92009 San Diego County View other branches Phone: 760-444-8400 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121143260YY121144463YY121202062YY122105980YY122243635YY122401778YY122402298YY122487200YN From: To: