Directions to Washington Trust Bank Directions to Washington Trust Bank Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Services >> Finance Washington Trust Bank 901 W Bannock StBoise, ID 83702 | map Conrad Ball (208) 884-2740 | fax: (208) 333-9460 Visit Site Get directions to: Washington Trust Bank, 901 W Bannock St, Boise ID Get directions from: Click to Print This Page