Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NY/GREENLAWN

Greenlawn ZIP code, New York

The ZIP code for Greenlawn, NY is 11740, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
15,210
Area codes
631, 934

NANPA lists no telephone rate centre for Greenlawn itself, so these are the area codes of the nearest one, Huntington (3.5 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Greenlawn uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Greenlawn in numbers

About 15,210 people live in Greenlawn, in 4,678 households. The median household income is $164,427 a year, 91% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $630,800 (49% above the New York median). The median age is 37.8; 45.1% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 36 minutes.

Population15,210Greenlawn15,210
Households4,678Greenlawn4,678
Median age37.8Greenlawn37.8New York39.8US 38.9
Median household income$164,427Greenlawn$164,427New York$85,974US $80,734
Median home value$630,800Greenlawn$630,800New York$423,800US $332,700
Bachelor's degree or higher45.1%Greenlawn45.1%New York40.2%US 35.7%
Mean commute35.5 minGreenlawn35.5 minNew York32.6 minUS 26.4 min
Population density3,975 / sq miGreenlawn3,975 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Greenlawn CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Greenlawn

ZIP codes with the USPS city name Greenlawn
ZIP City Type Population Median income Median home
11740 Greenlawn , NY Standard 10,127 $152,386 $693,700

Other ZIP codes overlapping Greenlawn

These ZIP codes cover part of Greenlawn but are addressed as somewhere else.

ZIP codes overlapping Greenlawn
ZIP City Type Population Median income Median home
11721 Centerport , NY Standard 6,426 $197,179 $740,300
11743 Huntington , NY Standard 43,490 $183,187 $783,100

Map of Greenlawn ZIP codes

The ZIP codes of Greenlawn, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Greenlawn

The nearest larger towns are Huntington (19,948 people, 2.2 mi), Huntington Station (32,601 people, 2.4 mi) and East Northport (19,700 people, 2.5 mi).

Towns near Greenlawn
TownPopulationDistance
Elwood 11,762 1.8 mi
Huntington 19,948 2.2 mi
Huntington Station 32,601 2.4 mi
East Northport 19,700 2.5 mi
Centerport 6,072 2.7 mi
Halesite 2,661 2.9 mi
Northport 7,322 3.0 mi
South Huntington 9,779 3.2 mi
Dix Hills 24,773 4.4 mi
Commack 36,558 4.5 mi
West Hills 5,369 4.7 mi
Cold Spring Harbor 3,220 4.7 mi
Fort Salonga 10,199 4.9 mi
Lloyd Harbor 3,565 5.7 mi

More nearby: every ZIP code in Suffolk County · New York ZIP codes

Cite this page

zipcodes.pro. “Greenlawn, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/greenlawn

Underlying data is public domain or openly licensed — sources, vintages and licences.