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Alton Social Security office

Information verified on July 21, 2026.

Address
501 Belle St, Room 103 Federal Bldg, Alton, IL 62002
County
Madison
Phone
855-285-6006
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 Alton office is one of 47 Social Security field offices in Illinois, serving Madison, home to about 49,000 people 65 and older. The nearest other office is in Florissant, MO, about 10 miles away. The average monthly Social Security benefit in Madison is about $1,854.

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 Alton, IL
Average monthly Social Security benefit in this county
$1,854
Social Security beneficiaries in this county
59,690
Residents 65 and older in this county
48,934

Nearest other office: Florissant, MO (10.1 miles)

This office is the closest Social Security office for zip codes 63386, 62002, 62024, 62018, 62035, 62095, 63138, 62084, 62010, 62087, 62048, 62028, and 20 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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