ZIP Code 20686
Saint Marys City · St. Mary's, Maryland
20686 is the ZIP code of Saint Marys City in St. Mary's, Maryland, United States.
- ZIP Code
- 20686
- County
- St. Mary's
- State
- Maryland
- Country
- United States
Place with ZIP code 20686
| Place | County | Location |
|---|---|---|
| Saint Marys City | St. Mary's | 38.187, -76.434 |
Near Washington
The nearest major city is Washington, about 95 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20686?
Saint Marys City.
Which county and state is 20686 in?
St. Mary's, Maryland, United States.
What is the nearest major city to 20686?
Washington, about 95 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.