In which county is ZIP code 21722 located?

ZIP 21722 is listed under Washington, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21722: Clear Spring, MD

ZIP: 21722

County: Washington

Coordinates: 39.66580, -77.90640

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21722, serving Clear Spring in MD. It lies in Washington and supports delivery, planning, and address verification.

Primary City	Clear Spring
ZIP Code	21722
County	Washington
State	MD
Latitude / Longitude	39.66580, -77.90640
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 21722 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21722 is commonly represented around 39.66580, -77.90640. These coordinates help identify the general area within Washington, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21722 for mail delivery and general location reference in Washington, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Clear Spring within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21722?

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

In which county is 21722 located?

ZIP code 21722 is situated within Washington, MD.

What are the coordinates for 21722?

The approximate center point is 39.66580 (Latitude) and -77.90640 (Longitude).

Is ZIP code 21722 active?

This page lists ZIP 21722 as Listed based on the latest refresh date shown above.

Does ZIP 21722 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