In which county is ZIP code 21921 located?

ZIP 21921 is listed under Cecil, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21921: Elkton, MD

ZIP: 21921

County: Cecil

Coordinates: 39.62640, -75.84580

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Elkton, MD postal area 21921. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Elkton
ZIP Code	21921
County	Cecil
State	MD
Latitude / Longitude	39.62640, -75.84580
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 21921 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21921 is commonly represented around 39.62640, -75.84580. These coordinates help identify the general area within Cecil, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21921 for mail delivery and general location reference in Cecil, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Elkton within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21921?

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

In which county is 21921 located?

ZIP code 21921 is situated within Cecil, MD.

What are the coordinates for 21921?

The approximate center point is 39.62640 (Latitude) and -75.84580 (Longitude).

Is ZIP code 21921 active?

This page lists ZIP 21921 as Listed based on the latest refresh date shown above.

Does ZIP 21921 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