In which county is ZIP code 10503 located?

ZIP 10503 is listed under Westchester, NY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 10503: Ardsley On Hudson, NY

ZIP: 10503

County: Westchester

Coordinates: 41.02590, -73.87180

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Ardsley On Hudson, NY postal area 10503. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Ardsley On Hudson
ZIP Code	10503
County	Westchester
State	NY
Latitude / Longitude	41.02590, -73.87180
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 10503 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 10503 is commonly represented around 41.02590, -73.87180. These coordinates help identify the general area within Westchester, NY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 10503 for mail delivery and general location reference in Westchester, NY.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Ardsley On Hudson within NY.

Frequently Asked Questions

What is the primary city for ZIP code 10503?

The primary city for this ZIP code is Ardsley On Hudson, located in NY.

In which county is 10503 located?

ZIP code 10503 is situated within Westchester, NY.

What are the coordinates for 10503?

The approximate center point is 41.02590 (Latitude) and -73.87180 (Longitude).

Is ZIP code 10503 active?

This page lists ZIP 10503 as Listed based on the latest refresh date shown above.

Does ZIP 10503 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