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 599

Ansonia, CT Social Security Office

The Social Security office in Ansonia is at 475 Main Street, Ansonia, CT 06401. Phone: (866) 331-7096. Hours: Monday to Friday, 9:00 AM - 4:00 PM. If you appeal a disability decision, your hearing goes to the New Haven hearing office (about 9.4 months on average).

Address, phone and office hours

Address475 Main Street
Ansonia, CT 06401
Phone(866) 331-7096
Fax(833) 950-2666
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 code599

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

Appealing a disability decision from the Ansonia office

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

Hearing officeNew Haven, CT(866) 613-2750
Average processing time9.4 mo285 days · national 8.6 mo
Approval rate at hearings47%FY 2026 · national 58%

Before the hearing, the medical decision is made by 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 Ansonia Social Security office?

The Ansonia, CT Social Security office phone number is (866) 331-7096 and its fax is (833) 950-2666. SSA's national line is 1-800-772-1213.

What are the hours of the Ansonia 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 Ansonia?

475 Main Street, Ansonia, CT 06401.

Where are disability appeal hearings held for the Ansonia office?

SSA lists the Ansonia field office among those served by the New Haven Hearing Office (New Haven, CT). Its average processing time is about 9.4 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.