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

Social Security Offices Near Washington, MO

Where Is the Social Security Office Nearest Washington, MO?

SSA assigns Washington, MO's ZIP code, 63090, to the Union Social Security Office at 43 Prairie Dell Plz, Suite 5, Union, about 9.0 miles away, phone (866) 837-1063, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to Washington, MO

Straight-line distance from the center of Washington (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 Washington

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Social Security office

Which Social Security Office Serves Your ZIP Code in Washington?

SSA assigns Washington's ZIP code, 63090, to the Union Social Security Office in Union. 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 Washington
ZIP codeOffice SSA assignsDistance
63090Union Social Security Office for ZIP code 630908.7 miles

ZIP code 63090 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 Washington (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 Washington

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 Wildwood

Wildwood is about 19 miles east of central Washington. 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 Warrenton

Warrenton is about 20 miles north of central Washington. SSA assigns its ZIP code, 63383, to the St. Peters Social Security Office at 4800 Executive Ctr Pky, Saint Peters, open Monday to Friday, 9:00 AM to 4:00 PM. The Union Social Security Office is closer to central Warrenton (about 29 miles, against 30 miles), but it isn't the office SSA assigns.

More on Social Security offices near Warrenton

Social Security Office Near Union

Union is about 8.0 miles south of central Washington. SSA assigns its ZIP code, 63084, 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.

More on Social Security offices near Union

Social Security Office Near Wentzville

Wentzville is about 20 miles northeast of central Washington. SSA assigns its ZIP code, 63385, to the St. Peters Social Security Office at 4800 Executive Ctr Pky, Saint Peters, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Wentzville

Social Security Office Near Gray Summit

Gray Summit is about 12 miles east of central Washington. 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 Villa Ridge

Villa Ridge is about 9.3 miles southeast of central Washington. SSA assigns its ZIP code, 63089, 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 Three Creeks

Three Creeks is about 1.9 miles northeast of central Washington. SSA assigns its ZIP code, 63357, to the St. Peters Social Security Office at 4800 Executive Ctr Pky, Saint Peters, open Monday to Friday, 9:00 AM to 4:00 PM. The Union Social Security Office is closer to central Three Creeks (about 10 miles, against 27 miles), but it isn't the office SSA assigns.

Social Security Office Near New Haven

New Haven is about 12 miles west of central Washington. SSA assigns its ZIP code, 63068, 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.

How to Get an Appointment at the Union 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 Union Social Security Office at (866) 837-1063, 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 Washington?

There isn't an office in Washington, MO itself. The closest is the Union Social Security Office, 43 Prairie Dell Plz, Suite 5, Union, MO 63084, about 9.0 miles away.

Which Social Security Office Serves My ZIP Code in Washington?

SSA assigns Washington's ZIP code, 63090, to the Union Social Security Office in Union. 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 Washington?

The Union 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 Washington?

SSA lists (866) 837-1063 for the Union Social Security Office. SSA's national number is 1-800-772-1213.

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

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Union Social Security Office at (866) 837-1063 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.