About ZIP code 20879
The ZIP code 20879 routes mail to Gaithersburg 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
20879 - Gaithersburg
ZIP code 20879 is Gaithersburg in Maryland, United States.
| ZIP code | 20879 |
| Place | Gaithersburg |
| Region | Maryland |
| District | Montgomery |
| Country | United States (US) |
| Coordinates | 39.173, -77.1855 (map) |