Union Social Security Office

Social Security field office in Union, Missouri · Franklin County

Source: Social Security Administration field office list September 2026

Address and phone

(866) 837-1063office line

43 Prairie Dell Plz, Suite 5, Union, MO 63084

(833) 950-2650fax

Get directions

Services you can do online at ssa.gov

National line: 1-800-772-1213 (TTY 1-800-325-0778), Mon–Fri 8 AM–7 PM local time.

Hours

Monday: 9:00 AM – 4:00 PM
Tuesday: 9:00 AM – 4:00 PM
Wednesday: 9:00 AM – 4:00 PM
Thursday: 9:00 AM – 4:00 PM
Friday: 9:00 AM – 4:00 PM
Saturday – Sunday: Closed

Closed on federal holidays. Many offices see visitors by appointment; call ahead before you go.

Where it is

County: Franklin County
Metro area: St. Louis, MO-IL
State: Missouri
ZIP code: 63084
SSA office code: B38

All offices in Missouri →

Other offices nearby

#	Office	Miles	Address	Phone	Hours
1	St Louis Southwest, MOSt. Louis County	29	650 Gravois Bluff BlvdFenton, MO 63026	(866) 331-2307	Mon–Fri 9 AM–4 PM
2	St Louis West County, MOSt. Louis County	32	1215 Fern Ridge Pkwy, Ste 100Creve Coeur, MO 63141	(855) 820-0096	Mon–Fri 9 AM–4 PM
3	St Peters, MOSt. Charles County	32.7	4800 Executive Ctr PkySaint Peters, MO 63376	(877) 405-3570	Mon–Fri 9 AM–4 PM
4	St Louis-Southside, MOSt. Louis County	34	8800 Watson Rd, Ste 100Saint Louis, MO 63119	(877) 714-0372	Closed
5	St. Louis Central, MOSt. Louis County	41.2	25 N Oaks PlzSaint Louis, MO 63121	(888) 810-7291	Mon–Fri 9 AM–4 PM
6	St Louis North County, MOSt. Louis County	43	880 Rue St. FrancoisFlorissant, MO 63031	(866) 931-2871	Mon–Fri 9 AM–4 PM
7	St Louis-Dtn, MOSt. Louis City	43.8	717 N 16th Street, Suite 100St Louis, MO 63103	(888) 748-2014	Mon–Fri 9 AM–4 PM
8	East St Louis, ILSt. Clair County	45.9	650 Missouri Ave, Room 104 Federal BldgEast St Louis, IL 62201	(877) 700-4849	Mon–Fri 9 AM–4 PM

Source: SSA field office list (public ArcGIS copy, Sep 2026). Hours and services can change; check ssa.gov or call the office before visiting. Distances are straight-line miles.