In which county is ZIP code 21643 located?

ZIP 21643 is listed under Dorchester, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21643: Hurlock, MD

ZIP: 21643

County: Dorchester

Coordinates: 38.64380, -75.86300

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21643, serving Hurlock in MD. It lies in Dorchester and supports delivery, planning, and address verification.

Primary City	Hurlock
ZIP Code	21643
County	Dorchester
State	MD
Latitude / Longitude	38.64380, -75.86300
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 21643 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21643 is commonly represented around 38.64380, -75.86300. These coordinates help identify the general area within Dorchester, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21643 for mail delivery and general location reference in Dorchester, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Hurlock within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21643?

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

In which county is 21643 located?

ZIP code 21643 is situated within Dorchester, MD.

What are the coordinates for 21643?

The approximate center point is 38.64380 (Latitude) and -75.86300 (Longitude).

Is ZIP code 21643 active?

This page lists ZIP 21643 as Listed based on the latest refresh date shown above.

Does ZIP 21643 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