Texas · Checked Against SSA's Locator October 1, 2026

Social Security Offices Near Lockhart, TX

Where Is the Social Security Office Nearest Lockhart, TX?

SSA assigns Lockhart, TX's ZIP code, 78644, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, about 14 miles away, phone (866) 388-8515, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to Lockhart, TX

Straight-line distance from the center of Lockhart (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.

Map of Social Security Offices Near Lockhart

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Which Social Security Office Serves Your ZIP Code in Lockhart?

SSA assigns Lockhart's ZIP code, 78644, to the San Marcos Social Security Office in San Marcos. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.

Social Security office assigned to each ZIP code in Lockhart
ZIP codeOffice SSA assignsDistance
78644San Marcos Social Security Office for ZIP code 7864415 miles

ZIP code 78644 goes to the San Marcos Social Security Office, 900 Bugg Lane, Suite 200, San Marcos.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Lockhart (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.

Social Security Offices Near Areas Around Lockhart

Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.

Social Security Office Near Kyle

Kyle is about 14 miles northwest of central Lockhart. SSA assigns its ZIP codes (78640 and 78666) to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Kyle

Social Security Office Near San Marcos

San Marcos is about 15 miles west of central Lockhart. SSA assigns its ZIP code, 78666, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near San Marcos

Social Security Office Near Buda

Buda is about 17 miles northwest of central Lockhart. SSA assigns its ZIP code, 78610, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM. The Austin South Social Security Office is closer to central Buda (about 11 miles, against 14 miles), but it isn't the office SSA assigns.

More on Social Security offices near Buda

Social Security Office Near Mustang Ridge

Mustang Ridge is about 12 miles north of central Lockhart. SSA assigns its ZIP code, 78610, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM. The Austin South Social Security Office is closer to central Mustang Ridge (about 15 miles, against 18 miles), but it isn't the office SSA assigns.

Social Security Office Near Niederwald

Niederwald is about 9.7 miles northwest of central Lockhart. SSA assigns its ZIP code, 78640, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Uhland

Uhland is about 8.9 miles northwest of central Lockhart. SSA assigns its ZIP code, 78640, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Martindale

Martindale is about 9.6 miles west of central Lockhart. SSA assigns its ZIP code, 78655, to the San Marcos Social Security Office at 900 Bugg Lane, Suite 200, San Marcos, open Monday to Friday, 9:00 AM to 4:00 PM.

How to Get an Appointment at the San Marcos Social Security Office

SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.

To book by phone, call the San Marcos Social Security Office at (866) 388-8515, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.

See office hours and appointments for the best times to call and visit.

Video Appointments Near Lockhart

SSA also meets people by video at partner sites: San Antonio Hud - Alamo Community College District Eastside in San Antonio (about 53 miles). Ask an office whether a video appointment fits your visit.

Can You Skip the Trip?

You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.

Social Security Offices Near Other Texas Cities

Frequently Asked Questions

Where Is the Social Security Office in Lockhart?

There isn't an office in Lockhart, TX itself. The closest is the San Marcos Social Security Office, 900 Bugg Lane, Suite 200, San Marcos, TX 78666, about 14 miles away.

Which Social Security Office Serves My ZIP Code in Lockhart?

SSA assigns Lockhart's ZIP code, 78644, to the San Marcos Social Security Office in San Marcos. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.

What Are Social Security Office Hours Near Lockhart?

The San Marcos Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.

What Is the Phone Number for the Social Security Office Near Lockhart?

SSA lists (866) 388-8515 for the San Marcos Social Security Office. SSA's national number is 1-800-772-1213.

How Do I Make an Appointment at the Social Security Office Near Lockhart?

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the San Marcos Social Security Office at (866) 388-8515 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.

Every Social Security office in Texas

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (offices and ZIP code assignments, checked October 1, 2026)
  3. U.S. Census Bureau: geocoder, 2023 Gazetteer files and 2020 ZIP Code Tabulation Area relationship files
  4. SSA: Make an appointment
  5. SSA: Contact by phone
  6. SSA: Office locator guidance (appointments and Card Centers)

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.