| City: | Hempstead, New York |
| County: | Nassau County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:38:33 PM |
| Population: | No Population Data |
| Area Codes: | 363 / 516 / 718 |
| Classification: | PO Box |
| Coordinates: | 40.7064, -73.6192 |
| Quick Link: |
ZIP code 11551 is a PO Box-only ZIP serving the village of Hempstead on Long Island, New York. It doesn't have its own geographic territory. Instead, it functions as a dedicated postal zone for the Hempstead post office, located within the larger 11550 ZIP code area.
The post office at this location maintains 565 PO Boxes and serves 102 businesses. All mail delivery uses the Fulton Avenue address. This isn't a PO Box Only Zone, so residents and businesses in the area can also receive street delivery through 11550.
Hempstead sits in Nassau County, surrounded by communities like West Hempstead, Garden City, South Hempstead, and Lakeview. For anyone needing a PO Box in this densely populated Long Island suburb, 11551 provides a separate mailing identity while 11550 handles standard street addresses.
The only street is Fulton Avenue, which is the post office's physical address used for PO Box Street Addressing.
ZIP Code 11551 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 8 people with an annual payroll of $1,008,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,712Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $215,000Source: CBP |
| Annual Payroll: | $1,008,000Source: CBP |
| # of Employees: | 8Source: CBP |
ZIP Code 11551 is located in Nassau County, New York, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New York's 4th Congressional District. This Metro area has a population of 18,897,109 people, about 0.00% of whom live in ZIP Code 11551, and is subdivided into the Nassau County-Suffolk County, NY 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: | Nassau County-Suffolk County, NY (CBSA Div 35004)Source: Census |
| CBSA Population: | 18,897,109Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 04Source: USPS |
| Congressional Land Area: | 110.85 sq miSource: Census |
| PMSA: | Nassau-Suffolk, NY PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3633139Source: Census |
| Place Name: | Hempstead village; New YorkSource: Census |
We could not locate which school district 11551 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.