ZIP Code 11791 – Syosset, New York | ZipsCode.us
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ZIP Code 11791
Syosset, New York · Nassau
ZIP code 11791 belongs to the city of Syosset in New York (Nassau). See all New York ZIP Codes.
ZIP code 11791 belongs to Syosset, New York, in Nassau. If you are mailing a letter or package to this area, use Syosset, NY 11791 in the address. On this page you will find the city and county for 11791, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 11791?
The city for ZIP code 11791 is Syosset, New York. When you write an address in this area, the correct format is: Name, Street Address, Syosset, NY 11791.
ZIP Code 11791 County and State
ZIP code 11791 is located in Nassau, New York. For a complete list of cities and ZIP codes across the state, see the New York ZIP Codes page.
Nearby ZIP Codes in Nassau
These ZIP codes are in the same county as 11791:
ZIP Code 11791 on the Map
The map below shows the approximate center of ZIP code 11791, near Syosset, New York. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 40.8146, -73.5024). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 11791
According to public U.S. Census Bureau data, ZIP code 11791 is home to a community in New York. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 11791
Need the full ZIP+4 code for a specific street address in Syosset? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 11791?
ZIP code 11791 is for Syosset, New York.
What county is ZIP code 11791 in?
ZIP code 11791 is in Nassau, New York.
What state is ZIP code 11791 in?
ZIP code 11791 is in New York (NY).
How do I find the ZIP+4 for an address in 11791?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 11791?
Nearby ZIP codes include 11001 (Floral Park), 11002 (Floral Park), 11003 (Elmont), 11010 (Franklin Square), 11020 (Great Neck).
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