San Marcos, TX · Social Security Field Office
900 Bugg Lane, Suite 200
San Marcos, TX 78666
Call (866) 388-8515 for the San Marcos Social Security OfficeDirections to the San Marcos Social Security Office
Fax: (833) 950-2385
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
From SSA's office data, updated March 9, 2026, and checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.
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Many Social Security tasks don't need a visit. You can often replace a card, change your address or get a benefit verification letter online through a my Social Security account. If you do need to go in, see what to bring and how appointments work.
Office details come from SSA's office data (updated March 9, 2026). Offices move and hours change, so confirm with SSA's Office Locator and office closings page before you go.
SSA assigns 12 ZIP codes to this office. If yours is listed, this is the office to use:
786107861678619786227864078644786487865578656786617866678676
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
SSA also meets people by video at partner sites. One site is within 60 miles: San Antonio Hud - Alamo Community College District Eastside in San Antonio (about 42 miles). Ask the office whether a video appointment there fits your visit.
All Social Security offices in Texas · Social Security offices near San Marcos
Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). Offices are closed on weekends and federal holidays. Check SSA's office closings page before you go.
SSA's Office Locator assigns 12 ZIP codes to this office: 78610, 78616, 78619, 78622, 78640, 78644, 78648, 78655, 78656, 78661, 78666 and 78676. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
SSA lists (866) 388-8515 for this office and (833) 950-2385 as its fax number. SSA's national number is 1-800-772-1213.
900 Bugg Lane, Suite 200, San Marcos, TX 78666.
The Seguin Social Security Office in Seguin, TX is about 22 miles away, phone (877) 445-0831. The next closest is Austin South Social Security Office, about 25 miles away.
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.