Banks in Belfast, Maine, the US. Banks locations in Belfast, Maine. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School Travel All banks in Belfast Closed now Damariscotta Bank and Trust Finance Bank +1 207-338-0500 1 Belmont Avenue, Belfast, Maine 04915 Write a review Phone Hours Website Directions Closed now KeyBank ATM Finance Bank +1 207-338-3220 111 Main Street, Belfast, Maine 04915 Write a review Phone Hours Website Directions