ZIP Code Lookup For Nassau County, New York - United States

ZIP Codes in Nassau County

Hempstead

Post Office	Hempstead
County	Nassau
ZIP Code	11550

Massapequa

Post Office	Massapequa
County	Nassau
ZIP Code	11758

Westbury

Post Office	Westbury
County	Nassau
ZIP Code	11590

Elmont

Post Office	Elmont
County	Nassau
ZIP Code	11003

Freeport

Post Office	Freeport
County	Nassau
ZIP Code	11520

Levittown

Post Office	Levittown
County	Nassau
ZIP Code	11756

Total ZIP Codes: (90) | Page 1 of 15
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About ZIP Codes in Nassau County, New York

Nassau County covers multiple cities and each city can have one or more ZIP Codes assigned by USPS for accurate mail delivery.

Frequently Asked Questions (FAQs)

1. How many ZIP Codes are there in Nassau County?

Each city in Nassau County may have one or more ZIP Codes.

2. Who manages ZIP Codes in the USA?

ZIP Codes are assigned and maintained by the United States Postal Service (USPS).

3. Why do counties have ZIP Codes?

Counties contain multiple cities and towns, so ZIP Codes help organize delivery routes.

4. How to find ZIP Codes in my county?

Use the dropdowns above to choose your city and get its ZIP Code.

5. Can one county have overlapping ZIP Codes?

Yes, sometimes ZIP Code areas can cross county lines for postal convenience.

Cities in Nassau County

64 city/cities found in Nassau. Explore ZIP code details in New York for county Nassau.

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