Bar Harbor Bank & Trust, Southwest Harbor Branch Basic Info Reviews Routing Numbers Map & Direction Name: Bar Harbor Bank & Trust, Southwest Harbor Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 314 Main Street Southwest Harbor, Maine 04679 Hancock County View other branches Phone: 207-244-3314 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer011201115YN011201759YY From: To: