In which county is ZIP code 11720 located?

ZIP 11720 is listed under Suffolk, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 11720: Centereach, NY

ZIP: 11720

County: Suffolk

Coordinates: 40.87050, -73.08220

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 11720, serving Centereach in NY. It lies in Suffolk and supports delivery, planning, and address verification.

Primary City	Centereach
ZIP Code	11720
County	Suffolk
State	NY
Latitude / Longitude	40.87050, -73.08220
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 11720 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 11720 are listed as 40.87050 / -73.08220, useful for GPS and service checks in and around Centereach, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 11720 for mail delivery and general location reference in Suffolk, NY.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Centereach within NY.

Frequently Asked Questions

What is the primary city for ZIP code 11720?

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

In which county is 11720 located?

ZIP code 11720 is situated within Suffolk, NY.

What are the coordinates for 11720?

The approximate center point is 40.87050 (Latitude) and -73.08220 (Longitude).

Is ZIP code 11720 active?

This page lists ZIP 11720 as Listed based on the latest refresh date shown above.

Does ZIP 11720 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