About ZIP code 20634
The ZIP code 20634 routes mail to Great Mills 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
20634 - Great Mills
ZIP code 20634 is Great Mills in Maryland, United States.
| ZIP code | 20634 |
| Place | Great Mills |
| Region | Maryland |
| District | St. Mary's |
| Country | United States (US) |
| Coordinates | 38.2674, -76.4954 (map) |