Missouri · Office Details From SSA, Updated March 9, 2026
O'Fallon, MO has no Social Security office of its own. The closest is the St. Peters Social Security Office in Saint Peters, about 7 miles away.
4800 Executive Ctr Pky
Saint Peters, MO 63376 · about 7.2 mi
Call (877) 405-3570 for the St. Peters Social Security OfficeDirections to the St. Peters Social Security Office
1215 Fern Ridge Pkwy, STE 100
Creve Coeur, MO 63141 · about 15 mi
Call (855) 820-0096 for the St. Louis West County Social Security OfficeDirections to the St. Louis West County Social Security Office
880 Rue St. Francois
Florissant, MO 63031 · about 21 mi
Call (866) 931-2871 for the St. Louis North County Social Security OfficeDirections to the St. Louis North County Social Security Office
9494 Manchester Rd
Rock Hill, MO 63119 · about 23 mi
Call (877) 714-0372 for the St. Louis-Southside Social Security OfficeDirections to the St. Louis-Southside Social Security Office
25 N Oaks Plz
Saint Louis, MO 63121 · about 24 mi
Call (888) 810-7291 for the St. Louis Central Social Security OfficeDirections to the St. Louis Central Social Security Office
650 Gravois Bluff Blvd
Fenton, MO 63026 · about 24 mi
Call (866) 331-2307 for the St. Louis Southwest Social Security OfficeDirections to the St. Louis Southwest Social Security Office
Straight-line distance from the center of O'Fallon.
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Appeals from these offices are heard at Creve Coeur Satellite Hearing Office. Creve Coeur Satellite Hearing Office
Every Social Security office in Missouri · All hearing offices · Find your office by ZIP code
Independent site, not affiliated with the Social Security Administration. Office and hearing office details come from SSA's public data and locators. To apply for benefits, appeal or manage your record, go to SSA directly at ssa.gov.