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

Social Security Offices Near Thornton, CO

Where Is the Social Security Office Nearest Thornton, CO?

The closest Social Security office to Thornton, CO is the Louisville Social Security Office in Louisville, about 11 miles away, phone (877) 405-5872, open Monday to Friday, 9:00 AM to 4:00 PM. Denver Social Security Office is about 12 miles away.

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Closest Social Security Offices to Thornton, CO

Straight-line distance from the center of Thornton (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 Thornton

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Which Social Security Office Serves Your ZIP Code in Thornton?

SSA splits Thornton's 5 ZIP codes among 2 offices: 4 to the Lakewood Social Security Office and 1 to the Aurora Social Security Office. For 5 of them, the assigned office isn't the closest one, so check your ZIP before you go.

Social Security office assigned to each ZIP code in Thornton
ZIP codeOffice SSA assignsDistance
80229Lakewood Social Security Office for ZIP code 80229Closest: Denver Social Security Office, 7.8 miles15 miles
80233Lakewood Social Security Office for ZIP code 80233Closest: Denver Social Security Office, 11 miles18 miles
80241Lakewood Social Security Office for ZIP code 80241Closest: Louisville Social Security Office, 10 miles19 miles
80260Lakewood Social Security Office for ZIP code 80260Closest: Denver Social Security Office, 8.4 miles14 miles
80602Aurora Social Security Office for ZIP code 80602Closest: Louisville Social Security Office, 12 miles20 miles

ZIP codes 80229, 80233, 80241 and 80260 go to the Lakewood Social Security Office, 13151 W Alameda Pkwy, Lakewood.

ZIP code 80602 goes to the Aurora Social Security Office, 14280 E Jewell Ave, Suite 250, Aurora.

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

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 Denver

Denver is about 11 miles south of central Thornton. SSA splits its 32 ZIP codes among 4 offices: 19 to the Denver Social Security Office, 7 to the Aurora Social Security Office in Aurora, 5 to the Littleton Social Security Office in Littleton and 1 to the Lakewood Social Security Office in Lakewood. Its own page lists every ZIP code.

More on Social Security offices near Denver

Social Security Office Near Northglenn

Northglenn is about 2.2 miles west of central Thornton. SSA assigns its ZIP codes (80233 and 80234) to the Lakewood Social Security Office at 13151 W Alameda Pkwy, Lakewood, open Monday to Friday, 9:00 AM to 4:00 PM. The Louisville Social Security Office is closer to central Northglenn (about 9.1 miles, against 17 miles), but it isn't the office SSA assigns.

More on Social Security offices near Northglenn

Social Security Office Near Westminster

Westminster is about 6.9 miles southwest of central Thornton. Its ZIP codes are split between offices: 80005, 80030, 80031 and 80234 go to the Lakewood Social Security Office in Lakewood; 80021 goes to the Louisville Social Security Office in Louisville.

More on Social Security offices near Westminster

Social Security Office Near Broomfield

Broomfield is about 6.2 miles west of central Thornton. SSA assigns its ZIP codes (80020, 80021 and 80023) to the Louisville Social Security Office at 480 W Dahlia St, Louisville, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Broomfield

Social Security Office Near Lakeside

Lakeside is about 12 miles southwest of central Thornton. SSA assigns its ZIP code, 80212, to the Denver Social Security Office at 1500 Champa St, 2nd Flr Suite 200, Denver, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Lakeside

Social Security Office Near Brighton

Brighton is about 8.4 miles east of central Thornton. SSA assigns its ZIP code, 80601, to the Aurora Social Security Office at 14280 E Jewell Ave, Suite 250, Aurora, open Monday to Friday, 9:00 AM to 4:00 PM. The Louisville Social Security Office is closer to central Brighton (about 18 miles, against 20 miles), but it isn't the office SSA assigns.

More on Social Security offices near Brighton

Social Security Office Near Louisville

Louisville is about 11 miles west of central Thornton. SSA assigns its ZIP code, 80027, to the Louisville Social Security Office at 480 W Dahlia St, Louisville, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Louisville

Social Security Office Near Lafayette

Lafayette is about 9.8 miles northwest of central Thornton. SSA assigns its ZIP code, 80026, to the Louisville Social Security Office at 480 W Dahlia St, Louisville, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Lafayette

Social Security Office Near Federal Heights

Federal Heights is about 5.5 miles southwest of central Thornton. SSA assigns its ZIP code, 80260, to the Lakewood Social Security Office at 13151 W Alameda Pkwy, Lakewood, open Monday to Friday, 9:00 AM to 4:00 PM. The Denver Social Security Office is closer to central Federal Heights (about 8.3 miles, against 14 miles), but it isn't the office SSA assigns.

More on Social Security offices near Federal Heights

Social Security Office Near Commerce City

Commerce City is about 8.2 miles east of central Thornton. SSA assigns its ZIP codes (80022 and 80640) to the Aurora Social Security Office at 14280 E Jewell Ave, Suite 250, Aurora, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Commerce City

How to Get an Appointment at the Louisville 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 Louisville Social Security Office at (877) 405-5872, 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 Colorado Cities

Frequently Asked Questions

Where Is the Social Security Office in Thornton?

There isn't an office in Thornton, CO itself. The closest is the Louisville Social Security Office, 480 W Dahlia St, Louisville, CO 80027, about 11 miles away.

Which Social Security Office Serves My ZIP Code in Thornton?

SSA splits Thornton's 5 ZIP codes among 2 offices: 4 to the Lakewood Social Security Office and 1 to the Aurora Social Security Office. 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 Thornton?

The Louisville 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 Thornton?

SSA lists (877) 405-5872 for the Louisville Social Security Office. SSA's national number is 1-800-772-1213.

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

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Louisville Social Security Office at (877) 405-5872 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 Colorado

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.