In which county is ZIP code 21644 located?

ZIP 21644 is listed under Queen Annes, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21644: Ingleside, MD

ZIP: 21644

County: Queen Annes

Coordinates: 39.11820, -75.87690

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Ingleside, MD postal area 21644. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Ingleside
ZIP Code	21644
County	Queen Annes
State	MD
Latitude / Longitude	39.11820, -75.87690
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 21644 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21644 is approximately 39.11820 (latitude) and -75.87690 (longitude). This location sits within Queen Annes, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21644 for mail delivery and general location reference in Queen Annes, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Ingleside within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21644?

The primary city for this ZIP code is Ingleside, located in MD.

In which county is 21644 located?

ZIP code 21644 is situated within Queen Annes, MD.

What are the coordinates for 21644?

The approximate center point is 39.11820 (Latitude) and -75.87690 (Longitude).

Is ZIP code 21644 active?

This page lists ZIP 21644 as Listed based on the latest refresh date shown above.

Does ZIP 21644 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