Yankton, SD · Social Security Field Office

Yankton Social Security Office

Office Details

1818 Broadway Ave, Suite 2
Yankton, SD 57078

Call (877) 405-3522 for the Yankton Social Security OfficeDirections to the Yankton Social Security Office

Fax: (833) 950-3201

Yankton Social Security Office hours
Monday9:00 AM to 4:00 PM
Tuesday9:00 AM to 4:00 PM
Wednesday9:00 AM to 4:00 PM
Thursday9:00 AM to 4:00 PM
Friday9:00 AM to 4:00 PM
Saturday and SundayClosed

From SSA's office data, updated March 9, 2026, and checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.

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Social Security office

Before You Go to the Yankton Office

Many Social Security tasks don't need a visit. You can often replace a card, change your address or get a benefit verification letter online through a my Social Security account. If you do need to go in, see what to bring and how appointments work.

Office details come from SSA's office data (updated March 9, 2026). Offices move and hours change, so confirm with SSA's Office Locator and office closings page before you go.

ZIP Codes the Yankton Office Serves

SSA assigns 24 ZIP codes to this office. If yours is listed, this is the office to use:

570105702957031570375704057045570465705257059570625706357066570675706957070570725707357078573155731957331573545736657376

From SSA's Office Locator, looked up by ZIP code on October 1, 2026.

Other Social Security Offices Near Yankton

Straight-line distance between office addresses (U.S. Census Bureau geocoder).

More Social Security Offices in South Dakota

All Social Security offices in South Dakota · Social Security offices near Yankton

Yankton Social Security Office: Common Questions

What Are the Hours of the Yankton Social Security Office?

Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). Offices are closed on weekends and federal holidays. Check SSA's office closings page before you go.

Which ZIP Codes Does the Yankton Social Security Office Serve?

SSA's Office Locator assigns 24 ZIP codes to this office: 57010, 57029, 57031, 57037, 57040, 57045, 57046, 57052, 57059, 57062, 57063, 57066, 57067, 57069, 57070, 57072, 57073, 57078, 57315, 57319, 57331, 57354, 57366 and 57376. SSA assigns offices by ZIP code, so if yours is listed, this is your office.

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

SSA lists (877) 405-3522 for this office and (833) 950-3201 as its fax number. SSA's national number is 1-800-772-1213.

Where Is the Yankton Social Security Office?

1818 Broadway Ave, Suite 2, Yankton, SD 57078.

What Is the Closest Other Social Security Office to Yankton?

The Sioux Falls Social Security Office in Sioux Falls, SD is about 53 miles away, phone (877) 274-5421. The next closest is Norfolk Social Security Office, about 59 miles away.

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (SSA's primary tool for office details, checked October 1, 2026)
  3. U.S. Census Bureau geocoder (office coordinates)

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.