New York · Checked Against SSA's Locator October 1, 2026
SSA assigns all 3 ZIP codes in Mount Vernon, NY to the New Rochelle Social Security Office at 85 Harrison St, Street Level, New Rochelle, about 2.6 miles away, phone (855) 210-1026, open Monday to Friday, 9:00 AM to 4:00 PM.
85 Harrison St, Street Level
New Rochelle, NY 10801
Call (855) 210-1026 for the New Rochelle Social Security OfficeDirections to the New Rochelle Social Security Office
Fax: (833) 902-2551
| 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 |
3247 Laconia Ave
Bronx, NY 10469
Call (866) 347-0054 for the Laconia Avenue Social Security OfficeDirections to the Laconia Avenue Social Security Office
Fax: (833) 950-2988
Limited services: this office doesn't handle Social Security card replacements or updates. Go to another office for card tasks.
| 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 |
20 South Broadway, Suite 500
Yonkers, NY 10701
Call (866) 331-6404 for the Yonkers Social Security OfficeDirections to the Yonkers Social Security Office
Fax: (833) 515-0475
| 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 |
2501 Grand Concourse, 2nd Floor
Bronx, NY 10468
Call (877) 619-2852 for the North Bronx Social Security OfficeDirections to the North Bronx Social Security Office
Fax: (833) 873-4347
Limited services: this office doesn't handle Social Security card replacements or updates. Go to another office for card tasks.
| 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 |
1380 Parker St, 2nd Floor
Bronx, NY 10462
Call (866) 931-2526 for the East Bronx Social Security OfficeDirections to the East Bronx Social Security Office
Fax: (833) 950-2374
Limited services: this office doesn't handle Social Security card replacements or updates. Go to another office for card tasks.
| 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 |
4941 Broadway, 2nd Flr
New York, NY 10034
Call (877) 445-0838 for the Inwood Hill Social Security OfficeDirections to the Inwood Hill Social Security Office
Fax: (833) 926-2691
Limited services: this office doesn't handle Social Security card replacements or updates. Go to another office for card tasks.
| 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 Mount Vernon (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 3 ZIP codes in Mount Vernon to the New Rochelle Social Security Office in New Rochelle. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
| ZIP code | Office SSA assigns | Distance |
|---|---|---|
| 10550 | New Rochelle Social Security Office for ZIP code 10550 | 3.0 miles |
| 10552 | New Rochelle Social Security Office for ZIP code 10552 | 2.5 miles |
| 10553 | New Rochelle Social Security Office for ZIP code 10553 | 2.2 miles |
ZIP codes 10550, 10552 and 10553 go to the New Rochelle Social Security Office, 85 Harrison St, Street Level, New Rochelle.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Mount Vernon (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.
Manhattan is about 12 miles southwest of central Mount Vernon. SSA splits its 69 ZIP codes among 6 offices: 36 to the NY Midtown Social Security Office in New York, 16 to the NY Downtown Social Security Office in New York, 9 to the NY Uptown Social Security Office in New York, 4 to the Inwood Hill Social Security Office in New York, 2 to the East Village Social Security Office in New York and 2 to the NY East Harlem Social Security Office in New York. Its own page lists every ZIP code. Card tasks for these ZIP codes go to the Manhattan Social Security Card Center.
Elmsford is about 9.8 miles north of central Mount Vernon. SSA assigns its ZIP code, 10523, to the White Plains Social Security Office at 297 Knollwood Rd, Suite 4a, White Plains, open Monday to Friday, 9:00 AM to 4:00 PM.
Bronxville is about 1.8 miles north of central Mount Vernon. SSA assigns its ZIP code, 10708, to the Yonkers Social Security Office at 20 South Broadway, Suite 500, Yonkers, open Monday to Friday, 9:00 AM to 4:00 PM.
Irvington is about 8.6 miles north of central Mount Vernon. Its ZIP codes are split between offices: 10503 goes to the Yonkers Social Security Office in Yonkers; 10533 goes to the White Plains Social Security Office in White Plains.
Yonkers is about 3.0 miles northwest of central Mount Vernon. Its ZIP codes are split between offices: 10701, 10703, 10704, 10705, 10708 and 10710 go to the Yonkers Social Security Office in Yonkers; 10707 goes to the New Rochelle Social Security Office in New Rochelle.
New Rochelle is about 2.7 miles east of central Mount Vernon. SSA assigns its ZIP codes (10801, 10804 and 10805) to the New Rochelle Social Security Office at 85 Harrison St, Street Level, New Rochelle, open Monday to Friday, 9:00 AM to 4:00 PM.
Bronx is about 4.6 miles south of central Mount Vernon. SSA splits its 25 ZIP codes among 7 offices: 6 to the East Bronx Social Security Office, 4 to the North Bronx Social Security Office, 4 to the Mott Haven Social Security Office, 4 to the Laconia Avenue Social Security Office, 3 to the South Bronx Social Security Office, 3 to the West Farms Social Security Office and 1 to the Inwood Hill Social Security Office in New York. Its own page lists every ZIP code. Card tasks for these ZIP codes go to the Bronx Social Security Card Center.
Mamaroneck is about 5.6 miles east of central Mount Vernon. SSA assigns its ZIP code, 10543, to the New Rochelle Social Security Office at 85 Harrison St, Street Level, New Rochelle, open Monday to Friday, 9:00 AM to 4:00 PM.
Scarsdale is about 6.2 miles northeast of central Mount Vernon. SSA assigns its ZIP code, 10583, to the White Plains Social Security Office at 297 Knollwood Rd, Suite 4a, White Plains, open Monday to Friday, 9:00 AM to 4:00 PM.
Dobbs Ferry is about 7.0 miles north of central Mount Vernon. SSA assigns its ZIP code, 10522, to the Yonkers Social Security Office at 20 South Broadway, Suite 500, Yonkers, open Monday to Friday, 9:00 AM to 4:00 PM. The White Plains Social Security Office is closer to central Dobbs Ferry (about 4.2 miles, against 5.5 miles), but it isn't the office SSA assigns.
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 New Rochelle Social Security Office at (855) 210-1026, 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.
SSA also meets people by video at partner sites: Norwalk Public Library in Norwalk (about 26 miles). Ask an office whether a video appointment fits your visit.
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.
There isn't an office in Mount Vernon, NY itself. The closest is the New Rochelle Social Security Office, 85 Harrison St, Street Level, New Rochelle, NY 10801, about 2.6 miles away.
SSA assigns all 3 ZIP codes in Mount Vernon to the New Rochelle Social Security Office in New Rochelle. 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 New Rochelle 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 (855) 210-1026 for the New Rochelle Social Security Office. SSA's national number is 1-800-772-1213.
Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the New Rochelle Social Security Office at (855) 210-1026 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 New York
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.