In which county is ZIP code 21668 located?

ZIP 21668 is listed under Queen Annes, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21668: Sudlersville, MD

ZIP: 21668

County: Queen Annes

Coordinates: 39.18230, -75.85000

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21668 in Sudlersville, MD. We include verified county details for Queen Annes plus key geographic references used for mapping and logistics.

Primary City	Sudlersville
ZIP Code	21668
County	Queen Annes
State	MD
Latitude / Longitude	39.18230, -75.85000
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 21668 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21668 is commonly represented around 39.18230, -75.85000. These coordinates help identify the general area within Queen Annes, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21668 for mail delivery and general location reference in Queen Annes, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Sudlersville within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21668?

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

In which county is 21668 located?

ZIP code 21668 is situated within Queen Annes, MD.

What are the coordinates for 21668?

The approximate center point is 39.18230 (Latitude) and -75.85000 (Longitude).

Is ZIP code 21668 active?

This page lists ZIP 21668 as Listed based on the latest refresh date shown above.

Does ZIP 21668 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