ZIP Code 20774 – Upper Marlboro, Maryland
The 20774 ZIP Code belongs to Upper Marlboro, Maryland. The population in this 20774 ZIP code is 52,221. The latitude is 38.87589 and longitude is -76.76925 in 20774 Upper Marlboro, Maryland. The time zone for this 20774 ZIP code is America/New_York.
| City | Upper Marlboro |
| Zip Code | 20774 |
| State | Maryland |
| County | Prince George's |
| Population | 52,221 |
| Latitude | 38.87589 |
| Longitude | -76.76925 |
| Time Zone | America/New_York |