In which county is ZIP code 00544 located?

ZIP 00544 is listed under Suffolk, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 00544: Holtsville, NY

ZIP: 00544

County: Suffolk

Coordinates: 40.81540, -73.04510

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 00544, serving Holtsville in NY. It lies in Suffolk and supports delivery, planning, and address verification.

Primary City	Holtsville
ZIP Code	00544
County	Suffolk
State	NY
Latitude / Longitude	40.81540, -73.04510
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 00544 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 00544 is commonly represented around 40.81540, -73.04510. These coordinates help identify the general area within Suffolk, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 00544 for mail delivery and general location reference in Suffolk, NY.

This ZIP may extend beyond the city core into nearby communities within Suffolk.

Related ZIP Codes (Nearby)

Explore other postal codes near Holtsville within NY.

Frequently Asked Questions

What is the primary city for ZIP code 00544?

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

In which county is 00544 located?

ZIP code 00544 is situated within Suffolk, NY.

What are the coordinates for 00544?

The approximate center point is 40.81540 (Latitude) and -73.04510 (Longitude).

Is ZIP code 00544 active?

This page lists ZIP 00544 as Listed based on the latest refresh date shown above.

Does ZIP 00544 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