Town Chart.

← Look up another ZIP code · All towns in New York

ZIP code 11740

Greenlawn, NY · Suffolk County

About ZIP code 11740

  • ZIP code 11740 is in Greenlawn, Suffolk County, New York.
  • About 10,127 people live in it, which is 1,067.5 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 40.865, -73.361.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Greenlawn, NY

ZIP code 11740 is the post office name for Greenlawn, NY. 15,210 people live in Greenlawn. Typical household income is $164,427. A typical home costs $630,800.

  • Stronger than most towns on: Diversity & community, Walkability and Dining and entertainment.
  • Weaker than most towns on: Short commute, Property taxes and Cost of living.

See all figures for Greenlawn

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.