| Business | Phone |
| Vocational Rehabilitation N Highway 81, Yankton 57078 | (605) 668-3360 |
| Child Support Enforcement 3113 Spruce St # 200, Yankton 57078 | (605) 668-3000 |
| Social Service Dept 3113 Spruce St # 200, Yankton 57078 | (605) 668-3030 |
| South Dakota Human Svc Center 3515 Broadway Ave, Yankton 57078 | (605) 668-3100 |
| Human Services Dept 1000 W 31st St, Yankton 57078 | (605) 668-3107 |