This postal code is assigned to Syosset Municipality County Nassau, New York, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Syosset
Nassau, New York
11791
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers New York → Nassau → Syosset in United States.
Yes. 11791 is an active postcode for New York → Nassau → Syosset in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 11791?
This postal code is assigned to Syosset Municipality County Nassau, New York, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Syosset
Nassau, New York
11791
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers New York → Nassau → Syosset in United States.
Yes. 11791 is an active postcode for New York → Nassau → Syosset in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 11791?