Hours
Monday–Friday, 9:00 AM–4:00 PM
Public data · clear sources
Oshkosh Social Security office
This field office is listed in the official SSA directory at 400 City Center Ste B, Oshkosh, WI 54901, with hours recorded as Monday–Friday, 9:00 AM–4:00 PM. Confirm hours and the office that serves your ZIP code with SSA before you visit.
Phone
(877) 445-0834
Office code
545
Listed type
Field office
Address and contact
400 City Center Ste BOshkosh, WI 54901
- Phone: (877) 445-0834
- Fax: (833) 596-0595
- National SSA line: 1-800-772-1213 (TTY 1-800-325-0778)
Hours in the official directory
| Day | 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 |
Before you visit
- Use the official Social Security Office Locator to confirm this is the office that serves your ZIP code.
- Make an appointment when you can. SSA still recommends scheduling before you visit.
- Bring identification and any documents SSA told you to bring for your request.
- Many Social Security card and benefit requests can also be started online at ssa.gov or by phone at 1-800-772-1213.
Frequently asked questions
What hours is this office open?
The official SSA directory lists weekday hours as Monday–Friday, 9:00 AM–4:00 PM, as of Oct 27, 2026. Hours can change, so confirm with SSA at 1-800-772-1213 or the official locator before you visit.
Do I need an appointment?
SSA recommends making an appointment before visiting a field office. Use the official Social Security Office Locator to schedule and to confirm this is the office that serves your ZIP code.
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