Banner Bank - Clarkston Share: Banking Banner Bank - Clarkston Visit Website 749 6th Street Clarkston, WA 99403 (509) 758-3388 (800) 272-9933 (509) 758-4440 (fax) About About Banner Bank is a full service bank offering residential, small business, agricultural, commercial and consumer lending products and a wide variety of deposit and investment products.