About ZIP code 21638
The ZIP code 21638 routes mail to Grasonville 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
21638 - Grasonville
ZIP code 21638 is Grasonville in Maryland, United States.
| ZIP code | 21638 |
| Place | Grasonville |
| Region | Maryland |
| District | Queen Anne's |
| Country | United States (US) |
| Coordinates | 38.9456, -76.1997 (map) |