Port Washington, NY ZIP Codes

ZIP code, county, time zone and coordinates of Port Washington, New York

The ZIP code of Port Washington, NY is 11050. Port Washington has 2 ZIP codes: 11050, 11547. It is in Nassau County.

Mailing address format for Port Washington

John Smith
123 Main St
PORT WASHINGTON NY 11050
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

ZIP code	Population	Area
11050	—	10.1 sq mi	Main
11547	—	0.5 sq mi

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

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What is the ZIP code for Port Washington, NY?

The main ZIP code for Port Washington, NY is 11050. All ZIP codes: 11050, 11547.

How many ZIP codes does Port Washington have?

Port Washington has 2 ZIP codes.

What county is Port Washington, NY in?

Port Washington is in Nassau County, New York.

What time zone is Port Washington in?

Port Washington is in the America/New York time zone (EST, UTC-05:00 right now).

What are the coordinates of Port Washington?

Latitude 40.82745, longitude -73.68001.

Last updated: November 14, 2026