Mount Vernon Social Security office
Information verified on July 21, 2026.
- Address
- 105 S 6Th St, Federal Building Room 103, Mount Vernon, IL 62864
- County
- Jefferson
- Phone
- 866-931-2549
- 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 Mount Vernon office is one of 47 Social Security field offices in Illinois, serving Jefferson, home to about 7,300 people 65 and older. The nearest other office is in West Frankfort, about 29 miles away. The average monthly Social Security benefit in Jefferson is about $1,715.
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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- Average monthly Social Security benefit in this county
- $1,715
- Social Security beneficiaries in this county
- 8,975
- Residents 65 and older in this county
- 7,298
Nearest other office: West Frankfort, IL (29 miles)
This office is the closest Social Security office for zip codes 62864, 62872, 62898, 62830, 62816, 62814, 62889, 62894, 62810, 62866, 62846, 62893, and 38 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.
Nearest offices
- West Frankfort · West Frankfort, IL29 miles
- Harrisburg IL · Harrisburg, IL44.3 miles
- Carbondale IL · Carbondale, IL44.6 miles
- Effingham IL · Effingham, IL60.6 miles
- Belleville IL · Belleville, IL61.5 miles
Have Social Security questions?
A licensed advisor near you can help with claiming decisions and what to bring.