Ontario Social Security Office

Directions to the Ontario office

• From 60 Freeway take Grove exit and go north to Holt.
• Turn left on Holt.
• Located south side of Holt Boulevard, between Grove Avenue and Campus Avenue.
• From I-10 Freeway take the Vineyard exit.
• Go south to Holt Boulevard.
• Turn right on Holt.
• Located south side of Holt Boulevard, between Grove Avenue and Campus Avenue.

Ontario office location

Services at the Ontario Social Security office

Staff at the Ontario office handle the full range of Social Security business, including:

• Apply for a new or replacement Social Security card
• Apply for retirement, disability (SSDI), or SSI benefits
• Change your name on your Social Security record
• Update direct deposit and mailing address
• Request proof of benefits or a benefit verification letter
• Get help enrolling in Medicare
• Check the status of an application or appeal

Want to prepare first? See our guides on getting an award letter, checking your earnings record, and when to claim retirement.

Towns served by the Ontario office

Many nearby towns have no Social Security office of their own, so the Ontario office is their closest option. It's the nearest field office for 9 surrounding communities, the largest is Rancho Cucamonga (175,142 residents):

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Other Social Security offices near Ontario

More Social Security help

Frequently asked questions about the Ontario office

What are the hours of the Ontario Social Security office?

The Ontario office is generally open 9am to 4pm, Monday through Friday, and closed on weekends and federal holidays. The live status and full weekly hours are at the top of this page, call ahead, as hours can change.

Do I need an appointment at the Ontario office?

Since 2025, the Social Security Administration asks most visitors to schedule an appointment before visiting a field office. Call (866) 331-2216 or 1-800-772-1213 to book one and reduce your wait.

What is the phone number for the Ontario Social Security office?

You can reach the office at (866) 331-2216 (TTY 1-800-325-0778), or use the SSA national line at 1-800-772-1213 (TTY 1-800-325-0778), Monday to Friday.

Which towns does the Ontario Social Security office serve?

Besides Ontario, this is the closest office for about 9 surrounding communities, including Upland, Montclair, Rancho Cucamonga, Chino, San Antonio Heights. There's a full list of nearby towns and distances on this page.

Is there another Social Security office near Ontario?

The next-closest field office is in Pomona, about 7.4 miles away. Other nearby offices are listed on this page with their distances.

Can I replace my Social Security card without visiting the Ontario office?

In most states you can request a replacement card online with a free my Social Security account at ssa.gov, no office visit needed. You can also check applications, request benefit letters, and update direct deposit there.