California · Checked Against SSA's Locator October 1, 2026
SSA assigns all 2 ZIP codes in Los Altos, CA to the Mountain View Social Security Office at 701 N Shoreline Blvd, 1st Floor, Mountain View, about 2.7 miles away, phone (877) 319-0161, open Monday to Friday, 9:00 AM to 4:00 PM.
701 N Shoreline Blvd, 1st Floor
Mountain View, CA 94043
Call (877) 319-0161 for the Mountain View Social Security OfficeDirections to the Mountain View Social Security Office
Fax: (833) 950-3371
| 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 |
1480 W Campbell Ave
Campbell, CA 95008
Call (866) 348-5832 for the Campbell Social Security OfficeDirections to the Campbell Social Security Office
Fax: (833) 571-0644
| 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 |
1718 Broadway St
Redwood City, CA 94063
Call (888) 860-5582 for the Redwood City Social Security OfficeDirections to the Redwood City Social Security Office
Fax: (833) 571-0638
| 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 |
280 S First Street, Rm 244 2nd Fl
San Jose, CA 95113
Call (866) 331-2235 for the San Jose Social Security OfficeDirections to the San Jose Social Security Office
Fax: (833) 902-2630
| 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 |
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 |
2500 Fontaine Rd
San Jose, CA 95121
Call (866) 931-4496 for the San Jose East Social Security OfficeDirections to the San Jose East Social Security Office
Fax: (833) 950-3047
| 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 |
Straight-line distance from the center of Los Altos (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.
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SSA assigns all 2 ZIP codes in Los Altos to the Mountain View Social Security Office in Mountain View. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
| ZIP code | Office SSA assigns | Distance |
|---|---|---|
| 94022 | Mountain View Social Security Office for ZIP code 94022 | 5.0 miles |
| 94024 | Mountain View Social Security Office for ZIP code 94024 | 3.9 miles |
ZIP codes 94022 and 94024 go to the Mountain View Social Security Office, 701 N Shoreline Blvd, 1st Floor, Mountain View.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Los Altos (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.
Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.
Santa Clara is about 7.1 miles east of central Los Altos. SSA assigns its ZIP codes (95050, 95051, 95053 and 95054) to the San Jose Social Security Office at 280 S First Street, Rm 244 2nd Fl, San Jose, open Monday to Friday, 9:00 AM to 4:00 PM.
Sunnyvale is about 4.0 miles east of central Los Altos. SSA assigns its ZIP codes (94085, 94086, 94087 and 94089) to the Mountain View Social Security Office at 701 N Shoreline Blvd, 1st Floor, Mountain View, open Monday to Friday, 9:00 AM to 4:00 PM.
Palo Alto is about 3.2 miles northwest of central Los Altos. Its ZIP codes are split between offices: 94022, 94301, 94304 and 94306 go to the Mountain View Social Security Office in Mountain View; 94303 goes to the Redwood City Social Security Office in Redwood City.
Campbell is about 10 miles southeast of central Los Altos. SSA assigns its ZIP code, 95008, to the Campbell Social Security Office at 1480 W Campbell Ave, Campbell, open Monday to Friday, 9:00 AM to 4:00 PM.
Menlo Park is about 8.2 miles north of central Los Altos. SSA assigns its ZIP code, 94025, to the Redwood City Social Security Office at 1718 Broadway St, Redwood City, open Monday to Friday, 9:00 AM to 4:00 PM.
Mountain View is about 2.4 miles northeast of central Los Altos. SSA assigns its ZIP codes (94040, 94041 and 94043) to the Mountain View Social Security Office at 701 N Shoreline Blvd, 1st Floor, Mountain View, open Monday to Friday, 9:00 AM to 4:00 PM.
Stanford is about 5.6 miles northwest of central Los Altos. SSA assigns its ZIP code, 94305, to the Mountain View Social Security Office at 701 N Shoreline Blvd, 1st Floor, Mountain View, open Monday to Friday, 9:00 AM to 4:00 PM.
Cupertino is about 4.4 miles southeast of central Los Altos. SSA assigns its ZIP code, 95014, to the San Jose Social Security Office at 280 S First Street, Rm 244 2nd Fl, San Jose, open Monday to Friday, 9:00 AM to 4:00 PM. The Campbell Social Security Office is closer to central Cupertino (about 4.4 miles, against 8.7 miles), but it isn't the office SSA assigns.
East Palo Alto is about 7.1 miles north of central Los Altos. SSA assigns its ZIP code, 94303, to the Redwood City Social Security Office at 1718 Broadway St, Redwood City, open Monday to Friday, 9:00 AM to 4:00 PM.
Saratoga is about 7.9 miles southeast of central Los Altos. SSA assigns its ZIP code, 95070, to the Campbell Social Security Office at 1480 W Campbell Ave, Campbell, open Monday to Friday, 9:00 AM to 4:00 PM.
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 Mountain View Social Security Office at (877) 319-0161, 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.
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.
There isn't an office in Los Altos, CA itself. The closest is the Mountain View Social Security Office, 701 N Shoreline Blvd, 1st Floor, Mountain View, CA 94043, about 2.7 miles away.
SSA assigns all 2 ZIP codes in Los Altos to the Mountain View Social Security Office in Mountain View. 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.
The Mountain View 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.
SSA lists (877) 319-0161 for the Mountain View Social Security Office. SSA's national number is 1-800-772-1213.
Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Mountain View Social Security Office at (877) 319-0161 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
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.