About ZIP code 21783
The ZIP code 21783 routes mail to Smithsburg 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
21783 - Smithsburg
ZIP code 21783 is Smithsburg in Maryland, United States.
| ZIP code | 21783 |
| Place | Smithsburg |
| Region | Maryland |
| District | Washington |
| Country | United States (US) |
| Coordinates | 39.647, -77.5706 (map) |