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

Social Security Offices Near Eureka, MO

Where Is the Social Security Office Nearest Eureka, MO?

The closest Social Security office to Eureka, MO is the St. Louis Southwest Social Security Office in Fenton, about 11 miles away, phone (866) 331-2307, open Monday to Friday, 9:00 AM to 4:00 PM. St. Louis West County Social Security Office is about 16 miles away.

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Closest Social Security Offices to Eureka, MO

Straight-line distance from the center of Eureka (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 Eureka

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Social Security office

Which Social Security Office Serves Your ZIP Code in Eureka?

SSA splits Eureka's 2 ZIP codes among 2 offices: 1 to the St. Louis Southwest Social Security Office and 1 to the Union Social Security Office. 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 Eureka
ZIP codeOffice SSA assignsDistance
63025St. Louis Southwest Social Security Office for ZIP code 630259.5 miles
63069Union Social Security Office for ZIP code 6306914 miles

ZIP code 63025 goes to the St. Louis Southwest Social Security Office, 650 Gravois Bluff Blvd, Fenton.

ZIP code 63069 goes to the Union Social Security Office, 43 Prairie Dell Plz, Suite 5, Union.

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

Social Security Offices Near Areas Around Eureka

Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.

Social Security Office Near Chesterfield

Chesterfield is about 12 miles north of central Eureka. SSA assigns its ZIP codes (63005 and 63017) to the St. Louis West County Social Security Office at 1215 Fern Ridge Pkwy, STE 100, Creve Coeur, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Chesterfield

Social Security Office Near Wildwood

Wildwood is about 5.6 miles north of central Eureka. Its ZIP codes are split between offices: 63005 and 63011 go to the St. Louis West County Social Security Office in Creve Coeur; 63038 and 63040 go to the St. Louis Southwest Social Security Office in Fenton.

More on Social Security offices near Wildwood

Social Security Office Near Fenton

Fenton is about 11 miles east of central Eureka. SSA assigns its ZIP code, 63026, to the St. Louis Southwest Social Security Office at 650 Gravois Bluff Blvd, Fenton, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Fenton

Social Security Office Near Manchester

Manchester is about 9.5 miles northeast of central Eureka. Its ZIP codes are split between offices: 63011 goes to the St. Louis West County Social Security Office in Creve Coeur; 63021 goes to the St. Louis Southwest Social Security Office in Fenton.

More on Social Security offices near Manchester

Social Security Office Near Ellisville

Ellisville is about 7.0 miles northeast of central Eureka. Its ZIP codes are split between offices: 63011 goes to the St. Louis West County Social Security Office in Creve Coeur; 63021 goes to the St. Louis Southwest Social Security Office in Fenton.

More on Social Security offices near Ellisville

Social Security Office Near Ballwin

Ballwin is about 8.4 miles northeast of central Eureka. Its ZIP codes are split between offices: 63011 goes to the St. Louis West County Social Security Office in Creve Coeur; 63021 goes to the St. Louis Southwest Social Security Office in Fenton.

More on Social Security offices near Ballwin

Social Security Office Near LaBarque Creek

LaBarque Creek is about 5.9 miles south of central Eureka. Its ZIP codes are split between offices: 63051 goes to the St. Louis Southwest Social Security Office in Fenton; 63069 goes to the Union Social Security Office in Union.

Social Security Office Near Gray Summit

Gray Summit is about 9.2 miles west of central Eureka. SSA assigns its ZIP codes (63039 and 63069) to the Union Social Security Office at 43 Prairie Dell Plz, Suite 5, Union, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Pacific

Pacific is about 5.8 miles west of central Eureka. SSA assigns its ZIP code, 63069, to the Union Social Security Office at 43 Prairie Dell Plz, Suite 5, Union, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Byrnes Mill

Byrnes Mill is about 5.7 miles southeast of central Eureka. SSA assigns its ZIP code, 63051, to the St. Louis Southwest Social Security Office at 650 Gravois Bluff Blvd, Fenton, open Monday to Friday, 9:00 AM to 4:00 PM.

How to Get an Appointment at the St. Louis Southwest 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 St. Louis Southwest Social Security Office at (866) 331-2307, 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 Missouri Cities

Frequently Asked Questions

Where Is the Social Security Office in Eureka?

There isn't an office in Eureka, MO itself. The closest is the St. Louis Southwest Social Security Office, 650 Gravois Bluff Blvd, Fenton, MO 63026, about 11 miles away.

Which Social Security Office Serves My ZIP Code in Eureka?

SSA splits Eureka's 2 ZIP codes among 2 offices: 1 to the St. Louis Southwest Social Security Office and 1 to the Union Social Security Office. 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 Eureka?

The St. Louis Southwest 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 Eureka?

SSA lists (866) 331-2307 for the St. Louis Southwest Social Security Office. SSA's national number is 1-800-772-1213.

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

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the St. Louis Southwest Social Security Office at (866) 331-2307 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 Missouri

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.