In which county is ZIP code 11788 located?

ZIP 11788 is listed under Suffolk, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 11788: Hauppauge, NY

ZIP: 11788

County: Suffolk

Coordinates: 40.82310, -73.19580

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 11788 in Hauppauge, NY. We include verified county details for Suffolk plus key geographic references used for mapping and logistics.

Primary City	Hauppauge
ZIP Code	11788
County	Suffolk
State	NY
Latitude / Longitude	40.82310, -73.19580
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 11788 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 11788 is approximately 40.82310 (latitude) and -73.19580 (longitude). This location sits within Suffolk, contributing to regional planning across NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 11788 for mail delivery and general location reference in Suffolk, NY.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Hauppauge within NY.

Frequently Asked Questions

What is the primary city for ZIP code 11788?

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

In which county is 11788 located?

ZIP code 11788 is situated within Suffolk, NY.

What are the coordinates for 11788?

The approximate center point is 40.82310 (Latitude) and -73.19580 (Longitude).

Is ZIP code 11788 active?

This page lists ZIP 11788 as Listed based on the latest refresh date shown above.

Does ZIP 11788 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