The Social Security Directory
Independent guide built from public SSA data. Not affiliated with the Social Security Administration. Apply, appeal and check your case only on ssa.gov.

Home › Mississippi › Gulfport › 9394 Three Rivers Road

Social Security field office · code 646

Gulfport, MS Social Security Office

The Social Security office in Gulfport is at 9394 Three Rivers Road, , Gulfport, MS 39503. Phone: (877) 897-0609. Hours: Monday to Friday, 9:00 AM - 4:00 PM. If you appeal a disability decision, your hearing goes to the Hattiesburg hearing office (about 7.9 months on average).

Address, phone and office hours

Address9394 Three Rivers Road,
Gulfport, MS 39503
Phone(877) 897-0609
Fax(833) 950-3805
Monday9:00 AM - 4:00 PM
Tuesday9:00 AM - 4:00 PM
Wednesday9:00 AM - 4:00 PM
Thursday9:00 AM - 4:00 PM
Friday9:00 AM - 4:00 PM
Saturday–SundayClosed
SSA office code646

Address, phone and hours from SSA's official field office file. Offices close on federal holidays.

Appealing a disability decision from the Gulfport office

SSA lists the Gulfport field office among the offices served by the Hattiesburg Hearing Office. That is where an administrative law judge will hear your case if your claim is denied at reconsideration.

Hearing officeHattiesburg, MS(866) 348-5831 Ext. 21110
Average processing time7.9 mo239 days · national 8.6 mo
Approval rate at hearings50%FY 2026 · national 58%

Before the hearing, the medical decision is made by Mississippi Disability Determination Services. Read how to appeal a denial (60-day deadline) and what happens at the hearing.

What you can do at this office

  • Apply for retirement, disability (SSDI), SSI, survivors and spouse benefits. Social Security card applications too.
  • Replace a Social Security card or update your name.
  • Request a reconsideration or a hearing if your claim was denied (forms).
  • Report changes that affect your benefits and get benefit verification letters.

Many of these services can be done online at ssa.gov or by calling 1-800-772-1213. See how to schedule an appointment.

Frequently asked questions

What is the phone number of the Gulfport Social Security office?

The Gulfport, MS Social Security office phone number is (877) 897-0609 and its fax is (833) 950-3805. SSA's national line is 1-800-772-1213.

What are the hours of the Gulfport Social Security office?

Monday to Friday, 9:00 AM - 4:00 PM, according to SSA. It is closed on weekends and federal holidays.

Where is the Social Security office in Gulfport?

9394 Three Rivers Road, , Gulfport, MS 39503.

Where are disability appeal hearings held for the Gulfport office?

SSA lists the Gulfport field office among those served by the Hattiesburg Hearing Office (Hattiesburg, MS). Its average processing time is about 7.9 months.

Do I need an appointment?

SSA says that if you need in-person help, you must make an appointment to visit a local office. Call the office or 1-800-772-1213 (8:00 a.m. to 7:00 p.m. local time, Monday to Friday). Many services are also available online at ssa.gov.