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Oshkosh Social Security office

Information verified on July 21, 2026.

Address
400 City Center Ste B, Oshkosh, WI 54901
County
Winnebago
Phone
877-445-0834
Hours
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
Last verified
July 21, 2026

The Oshkosh office is one of 26 Social Security field offices in Wisconsin, serving Winnebago, home to about 30,000 people 65 and older. The nearest other office is in Fond Du Lac, about 19 miles away. The average monthly Social Security benefit in Winnebago is about $1,901.

This office is open weekdays, 9:00 AM to 4:00 PM. The Social Security Administration recommends scheduling an appointment before you visit, which you can do at ssa.gov.

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Map showing the location of the Social Security office in Oshkosh, WI
Average monthly Social Security benefit in this county
$1,901
Social Security beneficiaries in this county
39,450
Residents 65 and older in this county
29,894

Nearest other office: Fond Du Lac, WI (19.4 miles)

This office is the closest Social Security office for zip codes 54906, 54903, 54901, 54985, 54904, 54902, 54927, 54964, 54963, 54980, 53088, 54986, and 10 more.

Services and appointments

We do not have the services or appointment policy for this office yet. You can confirm both with the Social Security Administration at ssa.gov or by calling the office.

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