California · Checked Against SSA's Locator October 1, 2026
The Glendora Social Security Office is in Glendora, at 1165 E Route 66, open Monday to Friday, 9:00 AM to 4:00 PM. The next closest is the Pomona Valley Social Security Office, about 6.9 miles away.
1165 E Route 66
Glendora, CA 91740
Call (866) 964-6045 for the Glendora Social Security OfficeDirections to the Glendora Social Security Office
Fax: (833) 940-1987
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
2130 N Garey Ave
Pomona, CA 91767
Call (888) 808-5486 for the Pomona Valley Social Security OfficeDirections to the Pomona Valley Social Security Office
Fax: (833) 950-2456
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
501 S Vincent Ave, STE 201
West Covina, CA 91790
Call (866) 964-0162 for the West Covina Social Security OfficeDirections to the West Covina Social Security Office
Fax: (833) 571-2611
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
9351 Telstar Ave.
El Monte, CA 91731
Call (866) 931-0340 for the El Monte Social Security OfficeDirections to the El Monte Social Security Office
Fax: (833) 950-3045
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
1100 E Holt Blvd
Ontario, CA 91761
Call (866) 331-2216 for the Ontario Social Security OfficeDirections to the Ontario Social Security Office
Fax: (833) 950-3373
| Monday | 9:00 AM to 4:00 PM |
|---|---|
| Tuesday | 9:00 AM to 4:00 PM |
| Wednesday | 9:00 AM to 4:00 PM |
| Thursday | 9:00 AM to 4:00 PM |
| Friday | 9:00 AM to 4:00 PM |
| Saturday and Sunday | Closed |
Straight-line distance from the center of Glendora (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.
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SSA assigns all 2 ZIP codes in Glendora to the Glendora Social Security Office. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
| ZIP code | Office SSA assigns | Distance |
|---|---|---|
| 91740 | Glendora Social Security Office for ZIP code 91740 | 0.9 miles |
| 91741 | Glendora Social Security Office for ZIP code 91741 | 2.5 miles |
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Glendora (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.
Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.
Diamond Bar is about 10 miles south of central Glendora. SSA assigns its ZIP code, 91765, to the Pomona Valley Social Security Office at 2130 N Garey Ave, Pomona, open Monday to Friday, 9:00 AM to 4:00 PM.
Upland is about 11 miles east of central Glendora. 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.
Montclair is about 10 miles southeast of central Glendora. SSA assigns its ZIP code, 91763, to the Ontario Social Security Office at 1100 E Holt Blvd, Ontario, open Monday to Friday, 9:00 AM to 4:00 PM.
Claremont is about 7.8 miles east of central Glendora. SSA assigns its ZIP code, 91711, to the Pomona Valley Social Security Office at 2130 N Garey Ave, Pomona, open Monday to Friday, 9:00 AM to 4:00 PM.
Walnut is about 7.5 miles south of central Glendora. SSA assigns its ZIP code, 91789, to the Pomona Valley Social Security Office at 2130 N Garey Ave, Pomona, open Monday to Friday, 9:00 AM to 4:00 PM. The West Covina Social Security Office is closer to central Walnut (about 4.6 miles, against 6.9 miles), but it isn't the office SSA assigns.
San Dimas is about 3.4 miles southeast of central Glendora. SSA assigns its ZIP code, 91773, to the Glendora Social Security Office at 1165 E Route 66, Glendora, open Monday to Friday, 9:00 AM to 4:00 PM.
Monrovia is about 7.9 miles west of central Glendora. SSA assigns its ZIP code, 91016, to the Glendora Social Security Office at 1165 E Route 66, Glendora, open Monday to Friday, 9:00 AM to 4:00 PM.
Pomona is about 7.8 miles southeast of central Glendora. SSA assigns its ZIP codes (91766, 91767 and 91768) to the Pomona Valley Social Security Office at 2130 N Garey Ave, Pomona, open Monday to Friday, 9:00 AM to 4:00 PM.
Covina is about 4.2 miles southwest of central Glendora. SSA assigns its ZIP codes (91722, 91723 and 91724) to the Glendora Social Security Office at 1165 E Route 66, Glendora, open Monday to Friday, 9:00 AM to 4:00 PM.
Arcadia is about 11 miles west of central Glendora. Its ZIP codes are split between offices: 91006 goes to the Pasadena Social Security Office in Pasadena; 91007 goes to the El Monte Social Security Office in El Monte.
You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.
Glendora Social Security Office: 1165 E Route 66, Glendora, CA 91740.
SSA assigns all 2 ZIP codes in Glendora to the Glendora 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.
The Glendora 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.
SSA lists (866) 964-6045 for the Glendora Social Security Office. SSA's national number is 1-800-772-1213.
Every Social Security office in California
Independent site, not affiliated with the Social Security Administration. Office addresses, phone numbers and hours come from SSA's public office data. To apply for benefits or manage your record, go to SSA directly at ssa.gov.