Find the last 4 digits (ZIP+4) for an address in 11740

ZIP 11740, Greenlawn, NY is filled in. Just type the street address.

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ZIP Code 11740 – Greenlawn, NY

Greenlawn, New York · Suffolk County · Eastern time

ZIP code11740
CityGreenlawn
StateNew York
CountySuffolk County
Population10,127
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.66 sq mi
Center (lat, long)40.8653, -73.3612

Area codes in this area

631934

These are the area codes that most often serve ZIP 11740 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

11731 East Northport · 2.3 mi11721 Centerport · 2.6 mi11743 Huntington · 3.5 mi11746 Huntington Station · 3.5 mi11768 Northport · 4.2 mi11725 Commack · 4.5 mi11724 Cold Spring Harbor · 5 mi11760 Melville · 5.7 mi

About ZIP 11740

ZIP code 11740 is assigned to Greenlawn, New York. It lies in Suffolk County. Its Census area covers about 3.66 square miles of land. The closest neighboring ZIP is 11731 (East Northport), about 2.3 miles away.

Every address in 11740 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources