Yankton Social Security Office

Social Security field office in Yankton, South Dakota · Yankton County

Source: Social Security Administration field office list September 2026

Address and phone

(877) 405-3522office line

1818 Broadway Ave, Suite 2, Yankton, SD 57078

(833) 950-3201fax

Get directions

Services you can do online at ssa.gov

National line: 1-800-772-1213 (TTY 1-800-325-0778), Mon–Fri 8 AM–7 PM local time.

Hours

Monday: 9:00 AM – 4:00 PM
Tuesday: 9:00 AM – 4:00 PM
Wednesday: 9:00 AM – 4:00 PM
Thursday: 9:00 AM – 4:00 PM
Friday: 9:00 AM – 4:00 PM
Saturday – Sunday: Closed

Closed on federal holidays. Many offices see visitors by appointment; call ahead before you go.

Where it is

County: Yankton County
Micro area: Yankton, SD
State: South Dakota
ZIP code: 57078
SSA office code: D33

All offices in South Dakota →

Other offices nearby

#	Office	Miles	Address	Phone	Hours
1	Sioux Falls, SDLincoln County	52.7	5021 S Nevada AveSioux Falls, SD 57108	(877) 274-5421	Mon–Fri 9 AM–4 PM
2	Norfolk, NEMadison County	58.8	605 Iron Horse Dr, Suite 1Norfolk, NE 68701	(855) 207-7082	Mon–Fri 9 AM–4 PM
3	Sioux City, IAWoodbury County	61	3555 Southern Hills DrSioux City, IA 51106	(866) 338-2859	Mon–Fri 9 AM–4 PM
4	Huron, SDBeadle County	109.9	200 4th Street SW, Room 105 Federal BldgHuron, SD 57350	(866) 563-4604	Mon–Fri 9 AM–4 PM
5	Spencer, IAClay County	114.1	1610 12th Ave SWSpencer, IA 51301	(866) 273-6050	Mon–Fri 9 AM–4 PM
6	Omaha, NEDouglas County	130.6	604 N 109th Ct, Old Mill CentreOmaha, NE 68154	(866) 716-8299	Mon–Fri 9 AM–4 PM
7	Marshall, MNLyon County	135.2	507 Jewett Street, Suite BMarshall, MN 56258	(855) 210-0122	Mon–Fri 9 AM–4 PM
8	Council Bluffs, IAPottawattamie County	137.6	20 Arena Way, Suite 1Council Bluffs, IA 51501	(866) 331-9094	Mon–Fri 9 AM–4 PM

Source: SSA field office list (public ArcGIS copy, Sep 2026). Hours and services can change; check ssa.gov or call the office before visiting. Distances are straight-line miles.