| City: | Mount Vernon, New York |
| Names to Avoid: | Mt Vernon |
| County: | Westchester County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:28:39 PM |
| Population: | No Population Data |
| Area Code: | 914 |
| Classification: | PO Box |
| Coordinates: | 40.9127, -73.8378 |
| Quick Link: |
The ZIP operates as what the postal service calls a "P" classification facility, handling mail for a concentrated area that includes 91 business addresses. One street address appears in postal records: S 1st Ave, which contains 144 delivery records organized by unit numbers. The entire zone sits within the larger Mount Vernon postal infrastructure, working alongside the standard street delivery ZIP 10550 that covers most of the city.
The single street in postal records uses a traditional numbered grid pattern with directional prefix (S), typical of established urban areas. The high number of unit-based delivery points suggests a multi-tenant building or complex.
ZIP Code 10551 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 502Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 10551 is located in Westchester County, New York, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New York's 16th Congressional District. This Metro area has a population of 19,756,722 people, about 0.00% of whom live in ZIP Code 10551, and is subdivided into the New York-Jersey City-White Plains, NY-NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | New York-Jersey City-White Plains, NY-NJ (CBSA Div 35614)Source: Census |
| CBSA Population: | 19,756,722Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 16Source: USPS |
| Congressional Land Area: | 78.37 sq miSource: Census |
| PMSA: | New York, NY PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3649121Source: Census |
| Place Name: | Mount Vernon city; New YorkSource: Census |
We could not locate which school district 10551 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.