South Dakota · Checked Against SSA's Locator October 1, 2026

Social Security Office in Yankton, SD

Where Is the Social Security Office in Yankton, SD?

The Yankton Social Security Office is in Yankton, at 1818 Broadway Ave, Suite 2, open Monday to Friday, 9:00 AM to 4:00 PM. The next closest is the Sioux Falls Social Security Office, about 52 miles away.

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Social Security Offices in Yankton

Other Offices Near Yankton

Straight-line distance from the center of Yankton (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.

Map of Social Security Offices Near Yankton

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Social Security office

Which Social Security Office Serves Your ZIP Code in Yankton?

SSA assigns Yankton's ZIP code, 57078, to the Yankton Social Security Office. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.

Social Security office assigned to each ZIP code in Yankton
ZIP codeOffice SSA assignsDistance
57078Yankton Social Security Office for ZIP code 570783.3 miles

ZIP code 57078 goes to the Yankton Social Security Office, 1818 Broadway Ave, Suite 2, Yankton.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Yankton (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.

How to Get an Appointment at the Yankton Social Security Office

SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.

To book by phone, call the Yankton Social Security Office at (877) 405-3522, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.

See office hours and appointments for the best times to call and visit.

Can You Skip the Trip?

You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.

Social Security Offices Near Other South Dakota Cities

Frequently Asked Questions

Where Is the Social Security Office in Yankton?

Yankton Social Security Office: 1818 Broadway Ave, Suite 2, Yankton, SD 57078.

Which Social Security Office Serves My ZIP Code in Yankton?

SSA assigns Yankton's ZIP code, 57078, to the Yankton Social Security Office. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.

What Are Social Security Office Hours Near Yankton?

The Yankton Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.

What Is the Phone Number for the Social Security Office Near Yankton?

SSA lists (877) 405-3522 for the Yankton Social Security Office. SSA's national number is 1-800-772-1213.

How Do I Make an Appointment at the Social Security Office in Yankton?

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Yankton Social Security Office at (877) 405-3522 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.

Every Social Security office in South Dakota

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (offices and ZIP code assignments, checked October 1, 2026)
  3. U.S. Census Bureau: geocoder, 2023 Gazetteer files and 2020 ZIP Code Tabulation Area relationship files
  4. SSA: Make an appointment
  5. SSA: Contact by phone
  6. SSA: Office locator guidance (appointments and Card Centers)

Independent site, not affiliated with the Social Security Administration. Office addresses, phone numbers and hours come from SSA's public office data. To apply for benefits or manage your record, go to SSA directly at ssa.gov.