About ZIP code 21012
The ZIP code 21012 routes mail to Arnold 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
21012 - Arnold
ZIP code 21012 is Arnold in Maryland, United States.
| ZIP code | 21012 |
| Place | Arnold |
| Region | Maryland |
| District | Anne Arundel |
| Country | United States (US) |
| Coordinates | 39.0476, -76.4941 (map) |