About ZIP code 21104
The ZIP code 21104 routes mail to Marriottsville 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
21104 - Marriottsville
ZIP code 21104 is Marriottsville in Maryland, United States.
| ZIP code | 21104 |
| Place | Marriottsville |
| Region | Maryland |
| District | Carroll |
| Country | United States (US) |
| Coordinates | 39.3342, -76.9132 (map) |