About ZIP code 21655
The ZIP code 21655 routes mail to Preston 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
21655 - Preston
ZIP code 21655 is Preston in Maryland, United States.
| ZIP code | 21655 |
| Place | Preston |
| Region | Maryland |
| District | Caroline |
| Country | United States (US) |
| Coordinates | 38.7465, -75.9163 (map) |