In which county is ZIP code 11766 located?

ZIP 11766 is listed under Suffolk, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 11766: Mount Sinai, NY

ZIP: 11766

County: Suffolk

Coordinates: 40.92710, -73.01270

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 11766, serving Mount Sinai in NY. It lies in Suffolk and supports delivery, planning, and address verification.

Primary City	Mount Sinai
ZIP Code	11766
County	Suffolk
State	NY
Latitude / Longitude	40.92710, -73.01270
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 11766 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 11766 is commonly represented around 40.92710, -73.01270. These coordinates help identify the general area within Suffolk, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 11766 for mail delivery and general location reference in Suffolk, NY.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Mount Sinai.

Related ZIP Codes (Nearby)

Explore other postal codes near Mount Sinai within NY.

Frequently Asked Questions

What is the primary city for ZIP code 11766?

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

In which county is 11766 located?

ZIP code 11766 is situated within Suffolk, NY.

What are the coordinates for 11766?

The approximate center point is 40.92710 (Latitude) and -73.01270 (Longitude).

Is ZIP code 11766 active?

This page lists ZIP 11766 as Listed based on the latest refresh date shown above.

Does ZIP 11766 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