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.

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Social Security field office · code B69

Fontana, CA Social Security Office

The Social Security office in Fontana is at 10668 Sierra Ave, Fontana, CA 92337. Phone: (866) 726-7865. Hours: Monday to Friday, 9:00 AM - 4:00 PM. If you appeal a disability decision, your hearing goes to the San Bernardino hearing office (about 8.1 months on average).

Address, phone and office hours

Address10668 Sierra Ave
Fontana, CA 92337
Phone(866) 726-7865
Fax(833) 571-0628
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 codeB69

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

Appealing a disability decision from the Fontana office

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

Hearing officeSan Bernardino, CA(866) 331-7127 Ext. 12502
Average processing time8.1 mo245 days · national 8.6 mo
Approval rate at hearings61%FY 2026 · national 58%

Before the hearing, the medical decision is made by Disability Determination Service Division. 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 Fontana Social Security office?

The Fontana, CA Social Security office phone number is (866) 726-7865 and its fax is (833) 571-0628. SSA's national line is 1-800-772-1213.

What are the hours of the Fontana 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 Fontana?

10668 Sierra Ave, Fontana, CA 92337.

Where are disability appeal hearings held for the Fontana office?

SSA lists the Fontana field office among those served by the San Bernardino Hearing Office (San Bernardino, CA). Its average processing time is about 8.1 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.