South Dakota One Call | South Dakota One Call
PO Box 187, Rapid City, SD 57709
Eligibility
Open to all
Hours
24 hours a day / 7 days a week
800-781-7474
Voice·
Or dial 8-1-1
Website
https://www.sdonecall.comInterpretation services
Spanish
Application process
Call to request an underground line locate.
Service area
SD
Other Information
Age Group
- Children (0-17)
- Young Adults (18-24)
- Adults (25-64)
- Older Adults (65+)
Payment Options
- Free
Use South Dakota One Call, 811, to have utility providers locate underground utilities before you dig. Excavators, homeowners, and landowners planning to dig, drill, trench, plant a tree, build a fence should make the required locate request to South Dakota 811 two working days before the planned work.
Last Assured
03/11/2026
Providing organization
South Dakota One Call
Statewide system for excavators to notify utility companies of their intent to dig.
