Directions to Washington Trust Bank - Nampa Directions to Washington Trust Bank - Nampa Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Services >> Banks Washington Trust Bank - Nampa 2200 Cassia StNampa, ID 83651 | map (208) 442-5287 Visit Site Get directions to: Washington Trust Bank - Nampa, 2200 Cassia St, Nampa ID Get directions from: Click to Print This Page