In which county is ZIP code 11740 located?

ZIP 11740 is listed under Suffolk, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 11740: Greenlawn, NY

ZIP: 11740

County: Suffolk

Coordinates: 40.86210, -73.36460

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 11740 in Greenlawn, NY. We include verified county details for Suffolk plus key geographic references used for mapping and logistics.

Primary City	Greenlawn
ZIP Code	11740
County	Suffolk
State	NY
Latitude / Longitude	40.86210, -73.36460
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 11740 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 11740 is commonly represented around 40.86210, -73.36460. These coordinates help identify the general area within Suffolk, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 11740 for mail delivery and general location reference in Suffolk, NY.

Some addresses near Greenlawn may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Greenlawn within NY.

Frequently Asked Questions

What is the primary city for ZIP code 11740?

The primary city for this ZIP code is Greenlawn, located in NY.

In which county is 11740 located?

ZIP code 11740 is situated within Suffolk, NY.

What are the coordinates for 11740?

The approximate center point is 40.86210 (Latitude) and -73.36460 (Longitude).

Is ZIP code 11740 active?

This page lists ZIP 11740 as Listed based on the latest refresh date shown above.

Does ZIP 11740 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08