Which Social Security Office Serves Your ZIP Code in San Lorenzo?
SSA assigns San Lorenzo's ZIP code, 94580, to the Hayward Social Security Office in Hayward. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
ZIP code 94580 goes to the Hayward Social Security Office, 24301 Southland Dr, Suite 500, Hayward.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps San Lorenzo (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 San Lorenzo
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 Alameda
Alameda is about 8.2 miles northwest of central San Lorenzo. SSA assigns its ZIP codes (94501 and 94502) to the Oakland Dt Social Security Office at 360 22nd St, Suite 400, Oakland, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Alameda
Social Security Office Near Hayward
Hayward is about 3.8 miles southeast of central San Lorenzo. Its ZIP codes are split between offices: 94541, 94542, 94544 and 94545 go to the Hayward Social Security Office in Hayward; 94587 goes to the Fremont Social Security Office in Fremont.
More on Social Security offices near Hayward
Social Security Office Near Oakland
Oakland is about 8.1 miles northwest of central San Lorenzo. SSA splits its 16 ZIP codes among 3 offices: 11 to the Oakland Dt Social Security Office, 3 to the East Oakland Social Security Office and 2 to the Berkeley Social Security Office in Berkeley. Its own page lists every ZIP code.
More on Social Security offices near Oakland
Social Security Office Near Redwood City
Redwood City is about 12 miles south of central San Lorenzo. SSA assigns its ZIP codes (94061, 94063 and 94065) to the Redwood City Social Security Office at 1718 Broadway St, Redwood City, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Redwood City
Social Security Office Near San Leandro
San Leandro is about 2.4 miles northwest of central San Lorenzo. SSA assigns its ZIP codes (94577, 94578 and 94579) to the San Leandro Social Security Office at 320 Davis St, San Leandro, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near San Leandro
Social Security Office Near Union City
Union City is about 8.2 miles southeast of central San Lorenzo. Its ZIP codes are split between offices: 94552 goes to the Hayward Social Security Office in Hayward; 94587 goes to the Fremont Social Security Office in Fremont.
More on Social Security offices near Union City
Social Security Office Near Foster City
Foster City is about 9.9 miles southwest of central San Lorenzo. SSA assigns its ZIP code, 94404, to the San Mateo Social Security Office at 800 South Claremont St, Suite 101, San Mateo, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Foster City
Social Security Office Near Piedmont
Piedmont is about 11 miles northwest of central San Lorenzo. SSA assigns its ZIP code, 94611, to the Oakland Dt Social Security Office at 360 22nd St, Suite 400, Oakland, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Piedmont
Social Security Office Near Moraga
Moraga is about 12 miles north of central San Lorenzo. SSA assigns its ZIP codes (94556 and 94575) to the Concord Social Security Office at 2150 John Glenn Dr, STE 400, Concord, open Monday to Friday, 9:00 AM to 4:00 PM. The East Oakland Social Security Office is closer to central Moraga (about 6.2 miles, against 10.0 miles), but it isn't the office SSA assigns.
More on Social Security offices near Moraga
Social Security Office Near Castro Valley
Castro Valley is about 4.6 miles northeast of central San Lorenzo. Its ZIP codes are split between offices: 94546 and 94552 go to the Hayward Social Security Office in Hayward; 94578 goes to the San Leandro Social Security Office in San Leandro.
How to Get an Appointment at the Hayward 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 Hayward Social Security Office at (866) 964-5054, 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.
Social Security Offices Near Other California Cities
Frequently Asked Questions
Where Is the Social Security Office in San Lorenzo?
There isn't an office in San Lorenzo, CA itself. The closest is the Hayward Social Security Office, 24301 Southland Dr, Suite 500, Hayward, CA 94545, about 2.4 miles away.
Which Social Security Office Serves My ZIP Code in San Lorenzo?
SSA assigns San Lorenzo's ZIP code, 94580, to the Hayward Social Security Office in Hayward. 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 San Lorenzo?
The Hayward 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 San Lorenzo?
SSA lists (866) 964-5054 for the Hayward Social Security Office. SSA's national number is 1-800-772-1213.
How Do I Make an Appointment at the Social Security Office Near San Lorenzo?
Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Hayward Social Security Office at (866) 964-5054 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