SSA Field Office · Office Code B77
The Ontario Social Security Office is a Social Security field office at 908 SE 5th Avenue, Ontario, OR 97914, phone (866) 403-8016. SSA lists its hours as Monday to Friday, 9:00 AM to 4:00 PM. Appeals from people this office serves are heard at the Billings, MT Hearing Office in Billings, MT.
908 SE 5th Avenue
Ontario, OR 97914
Call (866) 403-8016 for the Ontario Social Security OfficeDirections to the Ontario Social Security Office
Fax: (833) 950-3230
From SSA's office data (updated March 9, 2026), checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.
Many tasks don't need this office. With a my Social Security account you can often request a replacement card, change your address or get a benefit letter.
Call (866) 403-8016 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday to Friday, 8 a.m. to 7 p.m. local time.
Make an appointment first. How to make a Social Security appointment.
Not sure which? Find out if your task needs an office visit.
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SSA's Office of Hearings Operations lists the Billings, MT Hearing Office as the hearing office for people the Ontario office serves. If you ask for a hearing after a denied disability or benefits claim, an administrative law judge from this office handles it.
You usually request a hearing online or through your field office, not by visiting the hearing office. How an appeal reaches a hearing. Source: SSA Hearing Office Locator.
| Office | Distance | Phone | Monday hours |
|---|---|---|---|
| Ontario (this office) | (866) 403-8016 | 9:00 AM to 4:00 PM | |
| Caldwell Social Security Office, Caldwell, ID | 28 mi | (877) 836-1560 | 9:00 AM to 4:00 PM |
| Boise Social Security Office, Boise, ID | 44 mi | (855) 377-9316 | 9:00 AM to 4:00 PM |
| La Grande Social Security Office, La Grande, OR | 106 mi | (888) 810-7611 | 9:00 AM to 4:00 PM |
| Pendleton Social Security Office, Pendleton, OR | 144 mi | (877) 405-0480 | 9:00 AM to 4:00 PM |
| Walla Walla Social Security Office, College Place, WA | 157 mi | (866) 366-7814 | 9:00 AM to 4:00 PM |
Straight-line distance between office addresses (U.S. Census Bureau geocoder). Blank cells are details SSA doesn't list.
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From SSA's Office Locator, looked up by ZIP code on October 1, 2026. How SSA assigns offices by ZIP code.
Every Social Security office in Oregon · Offices in and near Ontario
If this office has closed or moved, see what to do when an office closes or moves. Confirm details with SSA's Office Locator and office closings page before you go.
Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). It's closed on weekends and federal holidays.
SSA asks people to make an appointment before visiting an office. You can schedule online or by calling (866) 403-8016 or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778). See how to make an appointment.
SSA's Office of Hearings Operations lists the Billings, MT Hearing Office as serving the Ontario field office. It's at Suite 500, 2900 Fourth Avenue North, Billings, MT 59101-1266, phone (877) 545-5512. You usually ask for a hearing through your field office or online, not at the hearing office.
SSA 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 and 97909 and others listed on this page. If yours is listed, this is your office.
The Caldwell Social Security Office in Caldwell, ID, about 28 mi away ((877) 836-1560).
Independent site, not affiliated with the Social Security Administration. Office and hearing office details come from SSA's public data and locators. To apply for benefits, appeal or manage your record, go to SSA directly at ssa.gov.