ZIP Code 20634 – Great Mills, Maryland
The 20634 ZIP Code belongs to Great Mills, Maryland. The population in this 20634 ZIP code is 6,976. The latitude is 38.24582 and longitude is -76.49412 in 20634 Great Mills, Maryland. The time zone for this 20634 ZIP code is America/New_York.
| City | Great Mills |
| Zip Code | 20634 |
| State | Maryland |
| County | St. Mary's |
| Population | 6,976 |
| Latitude | 38.24582 |
| Longitude | -76.49412 |
| Time Zone | America/New_York |