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Alton Social Security Office

Social Security field office in Alton, Illinois · Madison County

Source: Social Security Administration field office list September 2026

Address and phone

(855) 285-6006office line

501 Belle St, Room 103 Federal Bldg, Alton, IL 62002

(833) 950-3115fax

Get directions

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
Madison County
Metro area
St. Louis, MO-IL
State
Illinois
ZIP code
62002
SSA office code
512
All offices in Illinois →

Other offices nearby

#OfficeMilesAddressPhoneHours
1St Louis North County, MOSt. Louis County10.1880 Rue St. FrancoisFlorissant, MO 63031(866) 931-2871Mon–Fri 9 AM–4 PM
2St. Louis Central, MOSt. Louis County14.325 N Oaks PlzSaint Louis, MO 63121(888) 810-7291Mon–Fri 9 AM–4 PM
3St Louis-Dtn, MOSt. Louis City17.9717 N 16th Street, Suite 100St Louis, MO 63103(888) 748-2014Mon–Fri 9 AM–4 PM
4East St Louis, ILSt. Clair County18.6650 Missouri Ave, Room 104 Federal BldgEast St Louis, IL 62201(877) 700-4849Mon–Fri 9 AM–4 PM
5St Louis West County, MOSt. Louis County21.31215 Fern Ridge Pkwy, Ste 100Creve Coeur, MO 63141(855) 820-0096Mon–Fri 9 AM–4 PM
6St Peters, MOSt. Charles County22.64800 Executive Ctr PkySaint Peters, MO 63376(877) 405-3570Mon–Fri 9 AM–4 PM
7St Louis-Southside, MOSt. Louis County24.78800 Watson Rd, Ste 100Saint Louis, MO 63119(877) 714-0372Closed
8Belleville, ILSt. Clair County25.1227 W Pointe Dr, West Pointe CenterBelleville, IL 62226(877) 405-0471Mon–Fri 9 AM–4 PM

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.