About ZIP code 20678
The ZIP code 20678 routes mail to Prince Frederick in the Maryland region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
20678 - Prince Frederick
ZIP code 20678 is Prince Frederick in Maryland, United States.
| ZIP code | 20678 |
| Place | Prince Frederick |
| Region | Maryland |
| District | Calvert |
| Country | United States (US) |
| Coordinates | 38.5336, -76.5955 (map) |