How many Social Security offices are in Union?

Union, Missouri has 1 Social Security field office, listed below with its address, hours, and phone number.

Do I need an appointment at the Union office?

Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.

What should I bring to a Union Social Security office?

Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.

What's the nearest Social Security office to Union?

The closest field office outside Union is in Fenton, about 29 miles away. More nearby offices are listed on this page.

Can I avoid visiting a Union office?

Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.

Social Security Offices in Union, Missouri

1 office · Putnam County

Union has one Social Security field office, in Putnam County. It serves the city and the surrounding area, the closest office for 37 nearby communities, and is one of Missouri's 32 field offices. Its address, hours, phone number, and directions are below.

office in city: 1
communities served: 37
people in service area: 67K
county: Putnam County
to next-nearest city: 29 mi

The Union office on the map

1 location, Social Security offices in Union. Click a pin for the address and a link.

The Union Social Security office

43 Prairie Dell Plz, Suite 5 Union, MO 63084 Mon-Fri 9am-4pm (866) 837-1063 View office →

Visiting a Union office

Most services now require an appointment. Book by calling the office or 1-800-772-1213 (TTY 1-800-325-0778).
Bring a photo ID and your Social Security number, plus original documents for your request.
Field offices are open weekdays only and closed on federal holidays. Check the exact hours on each office page above.
Skip the trip when you can: replace a card, get a benefit letter, or update direct deposit online at ssa.gov.

Closest Social Security office for nearby towns

These nearby towns do not have a separate active Social Security office page here. Based on town and office coordinates, the Union office is the closest active office listed for them. Use this page for the office address, hours, phone number, and directions.

Nearby town	Closest office	Distance
Villa Ridge, MO	Union office	5.4 mi
St. Clair, MO	Union office	5.7 mi
Parkway, MO	Union office	6.1 mi
Lake St. Clair, MO	Union office	7.4 mi
Gray Summit, MO	Union office	9.3 mi
Three Creeks, MO	Union office	10.2 mi
Augusta, MO	Union office	11.1 mi
Pacific, MO	Union office	12.1 mi
Charmwood, MO	Union office	12.4 mi
Stanton, MO	Union office	12.9 mi
Lake Tekakwitha, MO	Union office	13.6 mi
Miramiguoa Park, MO	Union office	14.1 mi

Show all 35 nearby towns closest to this office

Nearby town	Closest office	Distance
Marthasville, MO	Union office	14.8 mi
Oak Grove Village, MO	Union office	17.1 mi
Sullivan, MO	Union office	18.2 mi
New Haven, MO	Union office	18.5 mi
Gerald, MO	Union office	19.7 mi
West Sullivan, MO	Union office	20.6 mi
St Cloud, MO	Union office	22.4 mi
Rosebud, MO	Union office	23.6 mi
Bourbon, MO	Union office	24 mi
Innsbrook, MO	Union office	24.1 mi
Berger, MO	Union office	26.3 mi
Truesdale, MO	Union office	28 mi
Warrenton, MO	Union office	28.2 mi
Owensville, MO	Union office	29.4 mi
Pendleton, MO	Union office	31.2 mi
Hermann, MO	Union office	31.8 mi
Mckittrick, MO	Union office	33.4 mi
Jonesburg, MO	Union office	34.7 mi
Rhineland, MO	Union office	35.8 mi
Gasconade, MO	Union office	36.1 mi
Big Spring, MO	Union office	37.8 mi
High Hill, MO	Union office	38.4 mi
New Florence, MO	Union office	42.3 mi

Browse all Missouri offices →

Other Social Security offices near Union

More Social Security help

All Missouri officesEvery field office in the state, by city. Find an office near youSort offices by distance from your location. Get an award letterProof of your benefits, online or in person. Avoid Social Security scamsWhen SSA really calls, and the red flags.

Union Social Security offices: FAQs

How many Social Security offices are in Union?: Union, Missouri has 1 Social Security field office, listed below with its address, hours, and phone number.
Do I need an appointment at the Union office?: Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.
What should I bring to a Union Social Security office?: Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.
What's the nearest Social Security office to Union?: The closest field office outside Union is in Fenton, about 29 miles away. More nearby offices are listed on this page.
Can I avoid visiting a Union office?: Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.