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.

Towns served by the Union office

Many nearby towns have no Social Security office of their own, so the Union office is their closest option. It's the nearest field office for 37 surrounding communities, the largest is Washington (14,916 residents):

Town	Distance	Population
Washington, MO	9.4 mi	14,916
Pacific, MO	12.1 mi	7,354
St. Clair, MO	5.7 mi	4,764
Villa Ridge, MO	5.4 mi	3,179
Gray Summit, MO	9.3 mi	2,383
Lake St. Clair, MO	7.4 mi	692
Parkway, MO	6.1 mi	662
Augusta, MO	11.1 mi	267
Stanton, MO	12.9 mi	249
Lake Tekakwitha, MO	13.6 mi	231
Charmwood, MO	12.4 mi	16
Three Creeks, MO	10.2 mi	7

…and 25 more nearby communities closest to this office.

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.