ZIP Code 20621
Chaptico · St. Mary's, Maryland
20621 is the ZIP code of Chaptico in St. Mary's, Maryland, United States.
- ZIP Code
- 20621
- County
- St. Mary's
- State
- Maryland
- Country
- United States
Place with ZIP code 20621
| Place | County | Location |
|---|---|---|
| Chaptico | St. Mary's | 38.351, -76.783 |
Near Washington
The nearest major city is Washington, about 64 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20621?
Chaptico.
Which county and state is 20621 in?
St. Mary's, Maryland, United States.
What is the nearest major city to 20621?
Washington, about 64 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.