Our office hours are Monday-Friday, 7:30 am to 4:00 pm, excluding holidays.
Physical address: 31321 SD Hwy. 19, Vermillion, SD 57069
Mailing Address: PO Box 317, Vermillion, SD 57069
Call: 605-624-2673 or 1-800-696-2832 (answered 24/7/365)
Fax: 605-624-5526
Can't find what you're looking for? Send us a message below and we will have someone get back to you as soon as we can.
This form is only monitored during office hours (see above), do NOT use for emergencies or to report an outage.