About ZIP code 21648
The ZIP code 21648 routes mail to Madison 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
21648 - Madison
ZIP code 21648 is Madison in Maryland, United States.
| ZIP code | 21648 |
| Place | Madison |
| Region | Maryland |
| District | Dorchester |
| Country | United States (US) |
| Coordinates | 38.4782, -76.2412 (map) |