Washington Trust Bank Share: BankingBusiness ServicesFinancial services Washington Trust Bank Visit Website 102 Thain Rd. Suite D Lewiston, ID 83501 (208) 750-7940 (208) 750-7940 (fax) About About Founded in 1902, Washington Trust Bank is now serving the LC Valley. Our team of bankers is ready to learn about your needs and dedicate ourselves to your success.
