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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

Interpretation 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.