Florida · Checked Against SSA's Locator October 1, 2026

Social Security Offices Near Marathon, FL

Where Is the Social Security Office Nearest Marathon, FL?

SSA assigns Marathon, FL's ZIP code, 33050, to the Key West Social Security Office at 301 Simonton St, STE 110, Key West, about 50 miles away, phone (855) 285-6010, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to Marathon, FL

Straight-line distance from the center of Marathon (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.

Map of Social Security Offices Near Marathon

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Social Security office

Which Social Security Office Serves Your ZIP Code in Marathon?

SSA assigns Marathon's ZIP code, 33050, to the Key West Social Security Office in Key West. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.

Social Security office assigned to each ZIP code in Marathon
ZIP codeOffice SSA assignsDistance
33050Key West Social Security Office for ZIP code 3305053 miles

ZIP code 33050 goes to the Key West Social Security Office, 301 Simonton St, STE 110, Key West.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Marathon (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.

How to Get an Appointment at the Key West Social Security Office

SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.

To book by phone, call the Key West Social Security Office at (855) 285-6010, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.

See office hours and appointments for the best times to call and visit.

Can You Skip the Trip?

You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.

Social Security Offices Near Other Florida Cities

Frequently Asked Questions

Where Is the Social Security Office in Marathon?

There isn't an office in Marathon, FL itself. The closest is the Key West Social Security Office, 301 Simonton St, STE 110, Key West, FL 33040, about 50 miles away.

Which Social Security Office Serves My ZIP Code in Marathon?

SSA assigns Marathon's ZIP code, 33050, to the Key West Social Security Office in Key West. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.

What Are Social Security Office Hours Near Marathon?

The Key West Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.

What Is the Phone Number for the Social Security Office Near Marathon?

SSA lists (855) 285-6010 for the Key West Social Security Office. SSA's national number is 1-800-772-1213.

How Do I Make an Appointment at the Social Security Office Near Marathon?

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Key West Social Security Office at (855) 285-6010 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.

Every Social Security office in Florida

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (offices and ZIP code assignments, checked October 1, 2026)
  3. U.S. Census Bureau: geocoder, 2023 Gazetteer files and 2020 ZIP Code Tabulation Area relationship files
  4. SSA: Make an appointment
  5. SSA: Contact by phone
  6. SSA: Office locator guidance (appointments and Card Centers)

Independent site, not affiliated with the Social Security Administration. Office addresses, phone numbers and hours come from SSA's public office data. To apply for benefits or manage your record, go to SSA directly at ssa.gov.