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

Social Security Offices Near Alton, TX

Where Is the Social Security Office Nearest Alton, TX?

SSA assigns Alton, TX's ZIP code, 78573, to the Mission Social Security Office at 1013 Business Park Dr, Mission, about 6.3 miles away, phone (855) 245-0647, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to Alton, TX

Straight-line distance from the center of Alton (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 Alton

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Which Social Security Office Serves Your ZIP Code in Alton?

SSA assigns Alton's ZIP code, 78573, to the Mission Social Security Office in Mission. 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 Alton
ZIP codeOffice SSA assignsDistance
78573Mission Social Security Office for ZIP code 785736.9 miles

ZIP code 78573 goes to the Mission Social Security Office, 1013 Business Park Dr, Mission.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Alton (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 Alton

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 Edinburg

Edinburg is about 9.3 miles east of central Alton. SSA assigns its ZIP codes (78539, 78541 and 78542) to the Mcallen Social Security Office at 3004 N McColl Rd, McAllen, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Edinburg

Social Security Office Near McAllen

McAllen is about 5.8 miles southeast of central Alton. SSA assigns its ZIP codes (78501, 78503, 78504 and 78557) to the Mcallen Social Security Office at 3004 N McColl Rd, McAllen, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near McAllen

Social Security Office Near Pharr

Pharr is about 11 miles southeast of central Alton. SSA assigns its ZIP code, 78577, to the Mcallen Social Security Office at 3004 N McColl Rd, McAllen, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Pharr

Social Security Office Near Mission

Mission is about 5.9 miles south of central Alton. SSA assigns its ZIP code, 78572, to the Mission Social Security Office at 1013 Business Park Dr, Mission, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Mission

Social Security Office Near Palmview

Palmview is about 5.9 miles southwest of central Alton. SSA assigns its ZIP codes (78572 and 78574) to the Mission Social Security Office at 1013 Business Park Dr, Mission, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Palmview

Social Security Office Near San Juan

San Juan is about 12 miles southeast of central Alton. SSA assigns its ZIP code, 78589, to the Mcallen Social Security Office at 3004 N McColl Rd, McAllen, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near San Juan

Social Security Office Near Penitas

Penitas is about 8.3 miles west of central Alton. SSA assigns its ZIP code, 78576, to the Mission Social Security Office at 1013 Business Park Dr, Mission, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near La Homa

La Homa is about 3.1 miles west of central Alton. SSA assigns its ZIP code, 78574, to the Mission Social Security Office at 1013 Business Park Dr, Mission, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Murillo

Murillo is about 12 miles east of central Alton. SSA assigns its ZIP code, 78542, to the Mcallen Social Security Office at 3004 N McColl Rd, McAllen, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Palmhurst

Palmhurst is about 2.2 miles southeast of central Alton. SSA assigns its ZIP code, 78573, to the Mission Social Security Office at 1013 Business Park Dr, Mission, open Monday to Friday, 9:00 AM to 4:00 PM.

How to Get an Appointment at the Mission 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 Mission Social Security Office at (855) 245-0647, 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.

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 Alton?

There isn't an office in Alton, TX itself. The closest is the Mission Social Security Office, 1013 Business Park Dr, Mission, TX 78572, about 6.3 miles away.

Which Social Security Office Serves My ZIP Code in Alton?

SSA assigns Alton's ZIP code, 78573, to the Mission Social Security Office in Mission. 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 Alton?

The Mission 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 Alton?

SSA lists (855) 245-0647 for the Mission Social Security Office. SSA's national number is 1-800-772-1213.

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

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Mission Social Security Office at (855) 245-0647 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.