ZIP Code 11749 – Islandia, New York | ZipsCode.us
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ZIP Code 11749
Islandia, New York · Suffolk
ZIP code 11749 belongs to the city of Islandia in New York (Suffolk). See all New York ZIP Codes.
ZIP code 11749 belongs to Islandia, New York, in Suffolk. If you are mailing a letter or package to this area, use Islandia, NY 11749 in the address. On this page you will find the city and county for 11749, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 11749?
The city for ZIP code 11749 is Islandia, New York. When you write an address in this area, the correct format is: Name, Street Address, Islandia, NY 11749.
ZIP Code 11749 County and State
ZIP code 11749 is located in Suffolk, 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 Suffolk
These ZIP codes are in the same county as 11749:
ZIP Code 11749 on the Map
The map below shows the approximate center of ZIP code 11749, near Islandia, New York. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 40.8067, -73.1709). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 11749
According to public U.S. Census Bureau data, ZIP code 11749 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 11749
Need the full ZIP+4 code for a specific street address in Islandia? 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 11749?
ZIP code 11749 is for Islandia, New York.
What county is ZIP code 11749 in?
ZIP code 11749 is in Suffolk, New York.
What state is ZIP code 11749 in?
ZIP code 11749 is in New York (NY).
How do I find the ZIP+4 for an address in 11749?
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 11749?
Nearby ZIP codes include 00501 (Holtsville), 00544 (Holtsville), 06390 (Fishers Island), 11701 (Amityville), 11702 (Babylon).
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