How to Get an Appointment at the St. Louis Southwest Social Security Office
SSA asks you to make an appointment before you visit an office. Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call this office at (866) 331-2307 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time.
If you only need a new or replacement Social Security card or to update your personal information, SSA directs you to a Card Center where your ZIP code has one.
ZIP Codes the St. Louis Southwest Office Serves
SSA assigns 27 ZIP codes to this office. If yours is listed, this is the office to use:
630106301263016630196302063021630236302563026630286303063038630406304163047630486304963050630516305263053630706308763088631276312863129
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Other Social Security Offices Near St. Louis Southwest
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
St. Louis Southwest Social Security Office: Common Questions
What Are the Hours of the St. Louis Southwest Social Security Office?
Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). Offices are closed on weekends and federal holidays. Check SSA's office closings page before you go.
Which ZIP Codes Does the St. Louis Southwest Social Security Office Serve?
SSA's Office Locator assigns 27 ZIP codes to this office: 63010, 63012, 63016, 63019, 63020, 63021, 63023, 63025, 63026, 63028, 63030, 63038, 63040, 63041, 63047, 63048, 63049, 63050, 63051, 63052, 63053, 63070, 63087, 63088, 63127, 63128 and 63129. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
What Is the Phone Number for the St. Louis Southwest Social Security Office?
SSA lists (866) 331-2307 for this office and (833) 950-2938 as its fax number. SSA's national number is 1-800-772-1213.
Where Is the St. Louis Southwest Social Security Office?
650 Gravois Bluff Blvd, Fenton, MO 63026.
What Is the Closest Other Social Security Office to St. Louis Southwest?
The St. Louis-Southside Social Security Office in Rock Hill, MO is about 8.2 miles away, phone (877) 714-0372. The next closest is St. Louis West County Social Security Office, about 12 miles away.