About ZIP code 21914
The ZIP code 21914 routes mail to Charlestown 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
21914 - Charlestown
ZIP code 21914 is Charlestown in Maryland, United States.
| ZIP code | 21914 |
| Place | Charlestown |
| Region | Maryland |
| District | Cecil |
| Country | United States (US) |
| Coordinates | 39.5729, -75.9795 (map) |