How to Get an Appointment at the Mission Viejo Social Security Office
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) 306-9878 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.
ZIP Codes the Mission Viejo Office Serves
SSA assigns 28 ZIP codes to this office. If yours is listed, this is the office to use:
92602926039260492606926109261292614926179261892620926249262992630926379265192653926569267292673926759267792678926799268892691926929269492697
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Other Social Security Offices Near Mission Viejo
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
Mission Viejo Social Security Office: Common Questions
What Are the Hours of the Mission Viejo Social Security Office?
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.
Which ZIP Codes Does the Mission Viejo Social Security Office Serve?
SSA's Office Locator assigns 28 ZIP codes to this office: 92602, 92603, 92604, 92606, 92610, 92612, 92614, 92617, 92618, 92620, 92624, 92629, 92630, 92637, 92651, 92653, 92656, 92672, 92673, 92675, 92677, 92678, 92679, 92688, 92691, 92692, 92694 and 92697. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
What Is the Phone Number for the Mission Viejo Social Security Office?
SSA lists (888) 306-9878 for this office and (833) 950-3661 as its fax number. SSA's national number is 1-800-772-1213.
Where Is the Mission Viejo Social Security Office?
23311 Madero, Mission Viejo, CA 92691.
What Is the Closest Other Social Security Office to Mission Viejo?
The Santa Ana Social Security Office in Santa Ana, CA is about 13 miles away, phone (888) 366-6146. The next closest is Fountain Valley Social Security Office, about 16 miles away.