How to Get an Appointment at the Ontario 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 (866) 403-8016 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 Ontario Office Serves
SSA assigns 32 ZIP codes to this office. If yours is listed, this is the office to use:
8361083612836198363283643836458365483655836618367297710977209772197722977329773697738977589790197902979039790497906979089790997910979119791397914979179791897920
From SSA's Office Locator, looked up by ZIP code on October 1, 2026.
Other Social Security Offices Near Ontario
Straight-line distance between office addresses (U.S. Census Bureau geocoder).
Ontario Social Security Office: Common Questions
What Are the Hours of the Ontario 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 Ontario Social Security Office Serve?
SSA's Office Locator assigns 32 ZIP codes to this office: 83610, 83612, 83619, 83632, 83643, 83645, 83654, 83655, 83661, 83672, 97710, 97720, 97721, 97722, 97732, 97736, 97738, 97758, 97901, 97902, 97903, 97904, 97906, 97908, 97909, 97910, 97911, 97913, 97914, 97917, 97918 and 97920. SSA assigns offices by ZIP code, so if yours is listed, this is your office.
What Is the Phone Number for the Ontario Social Security Office?
SSA lists (866) 403-8016 for this office and (833) 950-3230 as its fax number. SSA's national number is 1-800-772-1213.
Where Is the Ontario Social Security Office?
908 SE 5th Avenue, Ontario, OR 97914.
What Is the Closest Other Social Security Office to Ontario?
The Caldwell Social Security Office in Caldwell, ID is about 28 miles away, phone (877) 836-1560. The next closest is Boise Social Security Office, about 44 miles away.