Contact Us Contact Us FACILITY ADDRESS:2400 Vermont AveBismarck, ND 58504MAILING ADDRESS:PO Box 3036Bismarck, ND 58502OFFICE: (701) 258-3777TOLL FREE:1 (888) 792-1588Our technician is on call and available 24 hours a dayOFFICE HOURS:Mn-Fr: 7:30am-5:00pm Notice: JavaScript is required for this content.