ZIP Code 20670
Patuxent River · St. Mary's, Maryland
20670 is the ZIP code of Patuxent River in St. Mary's, Maryland, United States.
- ZIP Code
- 20670
- County
- St. Mary's
- State
- Maryland
- Country
- United States
Place with ZIP code 20670
| Place | County | Location |
|---|---|---|
| Patuxent River | St. Mary's | 38.279, -76.438 |
Near Washington
The nearest major city is Washington, about 86 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20670?
Patuxent River.
Which county and state is 20670 in?
St. Mary's, Maryland, United States.
What is the nearest major city to 20670?
Washington, about 86 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.