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 678

Mankato, MN Social Security Office

The Social Security office in Mankato is at 12 Civic Cntr Plaza, Ste 1550 Mankato Pl, Mankato, MN 56001. Phone: (877) 457-1734. Hours: Monday to Friday, 9:00 AM - 4:00 PM. If you appeal a disability decision, your hearing goes to the Minneapolis hearing office (about 8.8 months on average).

Address, phone and office hours

Address12 Civic Cntr Plaza, Ste 1550 Mankato Pl
Mankato, MN 56001
Phone(877) 457-1734
Fax(833) 902-2694
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 code678

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

Appealing a disability decision from the Mankato office

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

Hearing officeMinneapolis, MN(877) 512-3856
Average processing time8.8 mo267 days · national 8.6 mo
Approval rate at hearings52%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 Mankato Social Security office?

The Mankato, MN Social Security office phone number is (877) 457-1734 and its fax is (833) 902-2694. SSA's national line is 1-800-772-1213.

What are the hours of the Mankato 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 Mankato?

12 Civic Cntr Plaza, Ste 1550 Mankato Pl, Mankato, MN 56001.

Where are disability appeal hearings held for the Mankato office?

SSA lists the Mankato field office among those served by the Minneapolis Hearing Office (Minneapolis, MN). Its average processing time is about 8.8 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.