Which Social Security Office Serves Your ZIP Code in Fontana?
SSA assigns all 3 ZIP codes in Fontana to the Fontana Social Security Office. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
ZIP codes 92335, 92336 and 92337 go to the Fontana Social Security Office, 10668 Sierra Ave, Fontana.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Fontana (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 Fontana
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 Rancho Cucamonga
Rancho Cucamonga is about 6.1 miles west of central Fontana. Its ZIP codes are split between offices: 91701, 91730 and 91737 go to the Ontario Social Security Office in Ontario; 91739 goes to the Fontana Social Security Office in Fontana.
More on Social Security offices near Rancho Cucamonga
Social Security Office Near Rialto
Rialto is about 4.2 miles east of central Fontana. SSA assigns its ZIP codes (92316, 92376 and 92377) to the Fontana Social Security Office at 10668 Sierra Ave, Fontana, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Rialto
Social Security Office Near Jurupa Valley
Jurupa Valley is about 7.4 miles south of central Fontana. SSA assigns its ZIP codes (91752 and 92509) to the Riverside Social Security Office at 10000 Magnolia Ave, Riverside, open Monday to Friday, 9:00 AM to 4:00 PM. The Fontana Social Security Office is closer to central Jurupa Valley (about 4.4 miles, against 6.1 miles), but it isn't the office SSA assigns.
More on Social Security offices near Jurupa Valley
Social Security Office Near Upland
Upland is about 11 miles west of central Fontana. SSA assigns its ZIP codes (91784 and 91786) to the Ontario Social Security Office at 1100 E Holt Blvd, Ontario, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Upland
Social Security Office Near San Bernardino
San Bernardino is about 9.9 miles east of central Fontana. SSA assigns its ZIP codes (92369, 92401, 92404, 92405, 92407, 92408, 92410, 92411 and 92415) to the San Bernardino Social Security Office at 605 N Arrowhead Ave, Suite 101, San Bernardino, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near San Bernardino
Social Security Office Near Ontario
Ontario is about 9.5 miles southwest of central Fontana. SSA assigns its ZIP codes (91761, 91762 and 91764) to the Ontario Social Security Office at 1100 E Holt Blvd, Ontario, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Ontario
Social Security Office Near Colton
Colton is about 8.8 miles southeast of central Fontana. SSA assigns its ZIP code, 92324, to the Fontana Social Security Office at 10668 Sierra Ave, Fontana, open Monday to Friday, 9:00 AM to 4:00 PM. The San Bernardino Social Security Office is closer to central Colton (about 4.4 miles, against 6.3 miles), but it isn't the office SSA assigns.
More on Social Security offices near Colton
Social Security Office Near Grand Terrace
Grand Terrace is about 10 miles southeast of central Fontana. SSA assigns its ZIP code, 92313, to the San Bernardino Social Security Office at 605 N Arrowhead Ave, Suite 101, San Bernardino, open Monday to Friday, 9:00 AM to 4:00 PM.
More on Social Security offices near Grand Terrace
Social Security Office Near Bloomington
Bloomington is about 4.9 miles southeast of central Fontana. SSA assigns its ZIP code, 92316, to the Fontana Social Security Office at 10668 Sierra Ave, Fontana, open Monday to Friday, 9:00 AM to 4:00 PM.
Social Security Office Near Lytle Creek
Lytle Creek is about 10 miles north of central Fontana. SSA assigns its ZIP code, 92358, to the Fontana Social Security Office at 10668 Sierra Ave, Fontana, open Monday to Friday, 9:00 AM to 4:00 PM.
How to Get an Appointment at the Fontana 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 Fontana Social Security Office at (866) 726-7865, 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.
Video Appointments Near Fontana
SSA also meets people by video at partner sites: Barstow Snr Center in Barstow (about 60 miles). Ask an office whether a video appointment fits your visit.
Frequently Asked Questions
Where Is the Social Security Office in Fontana?
Fontana Social Security Office: 10668 Sierra Ave, Fontana, CA 92337.
Which Social Security Office Serves My ZIP Code in Fontana?
SSA assigns all 3 ZIP codes in Fontana to the Fontana Social Security Office. 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 Fontana?
The Fontana 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 Fontana?
SSA lists (866) 726-7865 for the Fontana Social Security Office. SSA's national number is 1-800-772-1213.
How Do I Make an Appointment at the Social Security Office in Fontana?
Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Fontana Social Security Office at (866) 726-7865 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