South Dakota Social Security Field Offices
Complete directory of South Dakota's 6 SSA field offices operating under SSA Region 8 (Denver). View current operating hours, contact details, and walk-in guidance.
ABERDEEN SD
Closed Now
115 4TH AVE SE
, ROOM 111 FEDERAL BLDG
Aberdeen, SD 57401
Phone: 855-278-4196
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
HURON SD
Closed Now
200 4TH STREET SW
, ROOM 105 FEDERAL BLDG
Huron, SD 57350
Phone: 866-563-4604
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
RAPID CITY SD
Closed Now
2200 NORTH MAPLE AVE
, STE 301
Rapid City, SD 57701
Phone: 866-964-7416
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
SIOUX FALLS SD
Closed Now
5021 S NEVADA AVE
Sioux Falls, SD 57108
Phone: 877-274-5421
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
WATERTOWN SD
Closed Now
514 JENSON AVE SE
Watertown, SD 57201
Phone: 888-737-1763
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
YANKTON SD
Closed Now
1818 BROADWAY AVE
, SUITE 2
Yankton, SD 57078
Phone: 877-405-3522
Hours: Mon – Fri: 9:00 AM – 4:00 PM (Closed Sat/Sun)
Common Social Security Tasks & Guides
Resolve common issues online or by phone without an unnecessary office visit.
Check identity document requirements before visiting.
Learn when appointments have been required since January 2025.
Direct dial tips and phone menu shortcuts.
How to instantly download your proof of income.
About Social Security Offices & Benefit Rules in South Dakota
Regional Jurisdiction & Scope
South Dakota field offices are governed by SSA Region 8 (Denver) Regional Office. This region's South Dakota operations cover 6 field offices across 66 counties.
State Supplementary Payment (SSP) Rules
South Dakota provides a State Supplementary Payment (SSP) on top of federal SSI. The supplement is administered separately by the state, not the SSA — contact South Dakota's human services agency for payment details.
Medicaid & Health Coverage Integration
South Dakota automatically enrolls SSI recipients in Medicaid (South Dakota Medicaid) — approval for SSI means approval for Medicaid too, with no separate application needed.
Office Walk-Ins & Hearing Offices (OHO)
Since January 2025, South Dakota field offices require an appointment for in-person service, including Social Security card requests — book online or call ahead before visiting. Walk-ins are still served for urgent situations (vulnerable individuals, military personnel, people with terminal illnesses) and at offices with minimal wait times.