How to Get an Appointment at the San Antonio South Social Security Office
SSA asks you to make an appointment before you visit an office. Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call this office at (866) 964-7432 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time.
If you only need a new or replacement Social Security card or to update your personal information, SSA directs you to a Card Center where your ZIP code has one.
ZIP Codes the San Antonio South Office Serves
SSA assigns 33 ZIP codes to this office. If yours is listed, this is the office to use:
780027800578008780117801278017780267805078052780577806178062780647806578069780737810178112781147812178152782117821478221782227822378224782257823578242782527826378264
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Other Social Security Offices Near San Antonio South
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
Video Appointments Near San Antonio South
SSA also meets people by video at partner sites. 3 sites are within 60 miles: San Antonio Hud - Alamo Community College District Eastside in San Antonio (about 4.8 miles), Medina County - Castroville in Castroville (about 25 miles) and Medina County - Devine in Devine (about 33 miles). Ask the office whether a video appointment there fits your visit.
San Antonio South Social Security Office: Common Questions
What Are the Hours of the San Antonio South Social Security Office?
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.
Which ZIP Codes Does the San Antonio South Social Security Office Serve?
SSA's Office Locator assigns 33 ZIP codes to this office: 78002, 78005, 78008, 78011, 78012, 78017, 78026, 78050, 78052, 78057, 78061, 78062, 78064, 78065, 78069, 78073, 78101, 78112, 78114, 78121, 78152, 78211, 78214, 78221, 78222, 78223, 78224, 78225, 78235, 78242, 78252, 78263 and 78264. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
What Is the Phone Number for the San Antonio South Social Security Office?
SSA lists (866) 964-7432 for this office and (833) 950-3023 as its fax number. SSA's national number is 1-800-772-1213.
Where Is the San Antonio South Social Security Office?
3438 E Southcross Blvd, San Antonio, TX 78223.
What Is the Closest Other Social Security Office to San Antonio South?
The San Antonio Downtown Social Security Office in San Antonio, TX is about 4.3 miles away, phone (877) 405-0482. The next closest is San Antonio Central Social Security Office, about 11 miles away.