First Bank, Westside Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, Westside Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 11835 West Olympic Boulevard Los Angeles, California 90064 Los Angeles County View other branches Phone: 310-473-8080 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063114946YN081005794YN081009428YY081205109YN081205455YN121137506YN122239131YN From: To: