ZIP Code 20622
Charlotte Hall · St. Mary's, Maryland
20622 is the ZIP code of Charlotte Hall in St. Mary's, Maryland, United States.
- ZIP Code
- 20622
- County
- St. Mary's
- State
- Maryland
- Country
- United States
Place with ZIP code 20622
| Place | County | Location |
|---|---|---|
| Charlotte Hall | St. Mary's | 38.475, -76.804 |
Near Washington
The nearest major city is Washington, about 51 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20622?
Charlotte Hall.
Which county and state is 20622 in?
St. Mary's, Maryland, United States.
What is the nearest major city to 20622?
Washington, about 51 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.