First Hawaiian Bank, Kahului Branch Basic Info Reviews Routing Numbers Map & Direction Name: First Hawaiian Bank, Kahului Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 20 West Kaahumanu Avenue Kahului, Hawaii 96732 Maui County View other branches Phone: 808-877-2311 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer121301015YY121403065YN121405238YN From: To: