Nassau County, located in the state of New York, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Nassau County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
11001
11520
11550
11553
11565
11545
11581
11732
11771
11783
11791
11531
11020
11050
11501
11566
11552
11598
11575
11735
11801
11803
11509
11002
11802
11547
11753
11758
11568
11815
11551
11558
11549
11580
11570
11579
11710
11709
11793
11096
11582
11765
11024
11530
11559
11548
11701
11571
11762
11023
11003
11010
11561
11557
11572
11576
11756
11804
11005
11022
11724
11556
11599
11040
11021
11030
11518
11507
11590
11714
11797
11042
11514
11542
11510
11516
11554
11563
11560
11577
11596
11569
11773

To know more about Nassau County, click the button below:

Nassau County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Nassau County County?

There are approximately 83 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Nassau County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.