Fremont, CA · Social Security Field Office
3100 Mowry Ave, Suite 100
Fremont, CA 94538
Call (888) 632-7073 for the Fremont Social Security OfficeDirections to the Fremont Social Security Office
Fax: (833) 950-3665
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
From SSA's office data, updated March 9, 2026, and checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.
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Many Social Security tasks don't need a visit. You can often replace a card, change your address or get a benefit verification letter online through a my Social Security account. If you do need to go in, see what to bring and how appointments work.
Office details come from SSA's office data (updated March 9, 2026). Offices move and hours change, so confirm with SSA's Office Locator and office closings page before you go.
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 (888) 632-7073 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.
SSA assigns 7 ZIP codes to this office. If yours is listed, this is the office to use:
94536945389453994555945609458795035
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
SSA also meets people by video at partner sites. One site is within 60 miles: Stanislaus County Homelessness Outreach in Modesto (about 54 miles). Ask the office whether a video appointment there fits your visit.
All Social Security offices in California · Social Security offices near Fremont
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.
SSA's Office Locator assigns 7 ZIP codes to this office: 94536, 94538, 94539, 94555, 94560, 94587 and 95035. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
SSA lists (888) 632-7073 for this office and (833) 950-3665 as its fax number. SSA's national number is 1-800-772-1213.
3100 Mowry Ave, Suite 100, Fremont, CA 94538.
The Hayward Social Security Office in Hayward, CA is about 9.5 miles away, phone (866) 964-5054. The next closest is Mountain View Social Security Office, about 12 miles away.
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.