20678
Prince Frederick, Calvert - United States
Postal code 20678 corresponds to Prince Frederick, Calvert, in Maryland (United States).
- Country
- United States (US)
- Department
- Maryland
- Municipality
- Calvert
- Coordinates
- 38.5336, -76.5955Degrees, minutes, seconds: 38°32'01"N 76°35'44"W
- Time zone
- America/New_York (UTC-5)
- Dialing code
- +1
How to write the address
Prince Frederick, Maryland 20678 United States
Nearby codes