About ZIP code 20774
The ZIP code 20774 routes mail to Upper Marlboro 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
20774 - Upper Marlboro
ZIP code 20774 is Upper Marlboro in Maryland, United States.
| ZIP code | 20774 |
| Place | Upper Marlboro |
| Region | Maryland |
| District | Prince George's |
| Country | United States (US) |
| Coordinates | 38.8682, -76.8156 (map) |