Florissant, MO Social Security office at 880 Rue St. Francois, 63031
The Florissant Social Security office at 880 Rue St. Francois is one of 35 field offices in Missouri and 1,182 nationwide.
Florissant office 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 Closed
- Sunday Closed
Best time to visit & closures
Upcoming Federal Holiday Closures
Can you skip a trip to the Florissant office?
| Task | Best Method | Fastest Option | Florissant Visit Notes & Originals |
|---|---|---|---|
| Replace a Social Security card | 🟢 Online / Phone | Online at SSA.gov or by phone | Bring unexpired photo ID only if online replacement is unavailable. |
| Benefit verification (award) letter | 🟢 Instant Online | Download PDF online or call 1-800-772-1213 | No office visit needed unless you require an immediate stamped printout. |
| Update direct deposit or address | 🟢 Online / Phone | Online account or automated phone line | No trip needed to Florissant. |
| Apply for Retirement, SSDI, or Medicare | 🟡 Call First | Online application or phone interview | Call (866) 931-2871 to book an appointment before visiting. |
| Apply for SSI benefits | 🟡 Call First | Scheduled phone or in-person interview | Call ahead; bring income, bank, and residency records. |
| First-time SSN card or legal name change | 🔴 In-Person Originals | Start online, then bring originals | Must present original/certified marriage or court order + photo ID. |
Florissant office location
The written address (880 Rue St. Francois, Florissant, MO 63031) remains the address to use.
Before you visit the Florissant office
Book Appointment First
Call (866) 931-2871 or 1-800-772-1213 before driving.
Unexpired Photo ID + Originals
Bring original or certified records only (no photocopies). See checklist →
Direct Numbers & Codes
Local: (866) 931-2871 · TTY: 1-800-325-0778 · Fax: (833) 950-3244 · Code #E76
Services at the Florissant Social Security office
Frequently asked questions about the Florissant office
What are the published hours for the Florissant office?
The published schedule is Mon–Fri: 9:00 AM – 4:00 PM. The office is closed on weekends and federal holidays.
Do I need an appointment at the Florissant office?
Many Social Security services require an appointment. Call the local office at (866) 931-2871 or the national line at 1-800-772-1213 before visiting.
What phone number should I call for the Florissant office?
Call the local branch at (866) 931-2871, the national toll-free line at 1-800-772-1213, or TTY 1-800-325-0778.
What documents should I bring to the office?
Bring an unexpired government photo ID and original or certified documents for your task. Photocopies and notarized copies are not accepted.
Can I complete my Social Security task online?
Yes. Replacement cards, benefit verification letters, and address updates can be completed online through your official my Social Security account. Visit my Social Security at SSA.gov ↗ to start online.
Are these hours live, and is this an official SSA page?
No on both. These are published weekly hours, and SSA Office Finder is an independent directory. Verify official notices at SSA.gov ↗.
Official government portal: Social Security Administration (SSA.gov) ↗