MicroNet Template First Interstate Bank Categories Financial 1400 North Ave. Spearfish SD 57783-0188 (605) 642-2734 Visit Website Rep/Contact Info Rhyann Cudmore Phone: (605) 642-2734 Send an Email Marvin Doering Phone: (605) 642-2734 Send an Email T.J. Gusso Phone: (605) 642-2734 Send an Email Josh Horak Phone: (605) 642-2734 Send an Email Paula Rear Phone: (605) 642-2734 Send an Email Jennifer Yackley Phone: (605) 642-2734 Send an Email Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×