In which county is ZIP code 21651 located?

ZIP 21651 is listed under Kent, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21651: Millington, MD

ZIP: 21651

County: Kent

Coordinates: 39.27430, -75.89510

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21651, serving Millington in MD. It lies in Kent and supports delivery, planning, and address verification.

Primary City	Millington
ZIP Code	21651
County	Kent
State	MD
Latitude / Longitude	39.27430, -75.89510
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 21651 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 21651 are listed as 39.27430 / -75.89510, useful for GPS and service checks in and around Millington, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21651 for mail delivery and general location reference in Kent, MD.

Some addresses near Millington may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Millington within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21651?

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

In which county is 21651 located?

ZIP code 21651 is situated within Kent, MD.

What are the coordinates for 21651?

The approximate center point is 39.27430 (Latitude) and -75.89510 (Longitude).

Is ZIP code 21651 active?

This page lists ZIP 21651 as Listed based on the latest refresh date shown above.

Does ZIP 21651 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