Sioux City, IA · Social Security Field Office
3555 Southern Hills Dr
Sioux City, IA 51106
Call (866) 338-2859 for the Sioux City Social Security OfficeDirections to the Sioux City Social Security Office
Fax: (833) 950-3571
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
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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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.
SSA asks you to make an appointment before you visit an office. Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call this office at (866) 338-2859 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time.
If you only need a new or replacement Social Security card or to update your personal information, SSA directs you to a Card Center where your ZIP code has one.
SSA assigns 100 ZIP codes to this office. If yours is listed, this is the office to use:
51001510035100451005510065100751008510105101151012510145101551016510185101951020510225102351024510255102651027510285102951030510315103451035510365103751038510395104051041510445104551048510495105051051510525105451055510565106051061510625106351101511035110451105511065110851109511115123051234512355123751238512395124051241512425124351244512465124751250514315144551523515585157257001570045702557038570496803068039680476805568062680676807168710687286873168732687336874168743687516875768770687766878468785
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
All Social Security offices in Iowa · Social Security offices near Sioux City
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.
SSA's Office Locator assigns 100 ZIP codes to this office: 51001, 51003, 51004, 51005, 51006, 51007, 51008, 51010, 51011, 51012, 51014, 51015, 51016, 51018, 51019, 51020, 51022, 51023, 51024, 51025, 51026, 51027, 51028, 51029, 51030, 51031, 51034, 51035, 51036, 51037, 51038, 51039, 51040, 51041, 51044, 51045, 51048, 51049, 51050, 51051, 51052, 51054, 51055, 51056, 51060, 51061, 51062, 51063, 51101, 51103, 51104, 51105, 51106, 51108, 51109, 51111, 51230, 51234, 51235, 51237, 51238, 51239, 51240, 51241, 51242, 51243, 51244, 51246, 51247, 51250, 51431, 51445, 51523, 51558, 51572, 57001, 57004, 57025, 57038, 57049, 68030, 68039, 68047, 68055, 68062, 68067, 68071, 68710, 68728, 68731, 68732, 68733, 68741, 68743, 68751, 68757, 68770, 68776, 68784 and 68785. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
SSA lists (866) 338-2859 for this office and (833) 950-3571 as its fax number. SSA's national number is 1-800-772-1213.
3555 Southern Hills Dr, Sioux City, IA 51106.
The Yankton Social Security Office in Yankton, SD is about 61 miles away, phone (877) 405-3522. The next closest is Norfolk Social Security Office, about 61 miles away.
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.