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  2. What is the zip code of Syosset, NY, 11791

Syosset (NY) Zip Code is 11791 Latest Details Jul, 2025

Updated: 08-07-2025

Syosset (NY) zip Code is 11791, Postal Code details. Syosset is located in state NY, United States.

Find Zip Code 11791 Details

ZIP code 11791 is located in Syosset NY in the United States.

Postal Code United States Zip Code 11791 Latest update Syosset, NY
Zip Code / Postal Code 11791

City

Syosset

State Code

NY

County

Nassau, United States

Postal Locations

Syosset, NY - Zip Code is - 11791

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 11791 is an essential part of the postal system in Syosset, NY. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Syosset has a lot to offer.

FAQ about Zip Code 11791, Syosset, (NY)

What is Zip code Syosset?

Syosset Zip Code: 11791, used by the Syosset Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Nassau, NY. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Syosset?

Syosset Postal Code is: 11791

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