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

Social Security Offices Near Simi Valley, CA

Where Is the Social Security Office Nearest Simi Valley, CA?

The closest Social Security office to Simi Valley, CA is the Thousand Oaks Social Security Office in Thousand Oaks, about 9.3 miles away, phone (888) 397-4807, open Monday to Friday, 9:00 AM to 4:00 PM. Chatsworth Social Security Office is about 10 miles away.

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Closest Social Security Offices to Simi Valley, CA

Straight-line distance from the center of Simi Valley (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 Simi Valley

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Social Security office

Which Social Security Office Serves Your ZIP Code in Simi Valley?

SSA splits Simi Valley's 2 ZIP codes among 2 offices: 1 to the Chatsworth Social Security Office and 1 to the Thousand Oaks Social Security Office. 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 Simi Valley
ZIP codeOffice SSA assignsDistance
93063Chatsworth Social Security Office for ZIP code 930638.1 miles
93065Thousand Oaks Social Security Office for ZIP code 930658.1 miles

ZIP code 93063 goes to the Chatsworth Social Security Office, 20439 Nordhoff St, Chatsworth.

ZIP code 93065 goes to the Thousand Oaks Social Security Office, 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks.

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

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 Westlake Village

Westlake Village is about 9.8 miles southwest of central Simi Valley. SSA assigns its ZIP code, 91361, to the Thousand Oaks Social Security Office at 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Westlake Village

Social Security Office Near Moorpark

Moorpark is about 7.5 miles west of central Simi Valley. SSA assigns its ZIP code, 93021, to the Ventura Social Security Office at 6477 Telephone Road, Suite 1, Ventura, open Monday to Friday, 9:00 AM to 4:00 PM. The Thousand Oaks Social Security Office is closer to central Moorpark (about 7.4 miles, against 19 miles), but it isn't the office SSA assigns.

More on Social Security offices near Moorpark

Social Security Office Near Agoura Hills

Agoura Hills is about 8.2 miles south of central Simi Valley. SSA assigns its ZIP code, 91301, to the Thousand Oaks Social Security Office at 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Agoura Hills

Social Security Office Near Thousand Oaks

Thousand Oaks is about 8.8 miles southwest of central Simi Valley. SSA assigns its ZIP codes (91320, 91360, 91361 and 91362) to the Thousand Oaks Social Security Office at 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Thousand Oaks

Social Security Office Near Chatsworth

Chatsworth is about 10 miles east of central Simi Valley. SSA assigns its ZIP codes (91303, 91306 and 91324) to the Chatsworth Social Security Office at 20439 Nordhoff St, Chatsworth, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Chatsworth

Social Security Office Near Calabasas

Calabasas is about 10 miles southeast of central Simi Valley. SSA assigns its ZIP code, 91302, to the Chatsworth Social Security Office at 20439 Nordhoff St, Chatsworth, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Calabasas

Social Security Office Near Santa Rosa Valley

Santa Rosa Valley is about 8.9 miles west of central Simi Valley. SSA assigns its ZIP code, 93012, to the Oxnard Social Security Office at 2000 Outlet Center Dr, STE 250, Oxnard, open Monday to Friday, 9:00 AM to 4:00 PM. The Thousand Oaks Social Security Office is closer to central Santa Rosa Valley (about 4.9 miles, against 14 miles), but it isn't the office SSA assigns.

Social Security Office Near Oak Park

Oak Park is about 5.8 miles south of central Simi Valley. SSA assigns its ZIP code, 91377, to the Thousand Oaks Social Security Office at 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Bell Canyon

Bell Canyon is about 5.3 miles southeast of central Simi Valley. SSA assigns its ZIP code, 91307, to the Chatsworth Social Security Office at 20439 Nordhoff St, Chatsworth, open Monday to Friday, 9:00 AM to 4:00 PM.

Social Security Office Near Piru

Piru is about 10 miles north of central Simi Valley. SSA assigns its ZIP codes (93015 and 93040) to the Ventura Social Security Office at 6477 Telephone Road, Suite 1, Ventura, open Monday to Friday, 9:00 AM to 4:00 PM. The Santa Clarita Social Security Office is closer to central Piru (about 13 miles, against 25 miles), but it isn't the office SSA assigns.

How to Get an Appointment at the Thousand Oaks 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 Thousand Oaks Social Security Office at (888) 397-4807, 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 California Cities

Frequently Asked Questions

Where Is the Social Security Office in Simi Valley?

There isn't an office in Simi Valley, CA itself. The closest is the Thousand Oaks Social Security Office, 322 E Thousand Oaks Bl, Suite 110, Thousand Oaks, CA 91360, about 9.3 miles away.

Which Social Security Office Serves My ZIP Code in Simi Valley?

SSA splits Simi Valley's 2 ZIP codes among 2 offices: 1 to the Chatsworth Social Security Office and 1 to the Thousand Oaks 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 Simi Valley?

The Thousand Oaks 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 Simi Valley?

SSA lists (888) 397-4807 for the Thousand Oaks Social Security Office. SSA's national number is 1-800-772-1213.

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

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Thousand Oaks Social Security Office at (888) 397-4807 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 California

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.