Mt Vernon Social Security Office
Social Security field office in Mount Vernon, Illinois · Jefferson County
Source: Social Security Administration field office list September 2026
Address and phone
(866) 931-2549office line
105 S 6th St, Federal Building Room 103, Mount Vernon, IL 62864
(833) 950-2792fax
Services you can do online at ssa.gov
National line: 1-800-772-1213 (TTY 1-800-325-0778), Mon–Fri 8 AM–7 PM local time.
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
- Saturday – Sunday
- Closed
Closed on federal holidays. Many offices see visitors by appointment; call ahead before you go.
Where it is
- County
- Jefferson County
- Micro area
- Mount Vernon, IL
- State
- Illinois
- ZIP code
- 62864
- SSA office code
- 492
Other offices nearby
Source: SSA field office list (public ArcGIS copy, Sep 2026). Hours and services can change; check ssa.gov or call the office before visiting. Distances are straight-line miles.