First Bank, Costa Mesa Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Bank, Costa Mesa Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 3001 Harbor Boulevard, Suite C Costa Mesa, California 92626 Orange County View other branches Phone: 714-668-3080 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer063114946YN081005794YN081009428YY081205109YN081205455YN121137506YN122239131YN From: To:
