About ZIP code 20818
The ZIP code 20818 routes mail to Cabin John 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
20818 - Cabin John
ZIP code 20818 is Cabin John in Maryland, United States.
| ZIP code | 20818 |
| Place | Cabin John |
| Region | Maryland |
| District | Montgomery |
| Country | United States (US) |
| Coordinates | 38.9743, -77.1591 (map) |