About ZIP code 20171
The ZIP code 20171 routes mail to Herndon in the Virginia 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
20171 - Herndon
ZIP code 20171 is Herndon in Virginia, United States.
| ZIP code | 20171 |
| Place | Herndon |
| Region | Virginia |
| District | Fairfax |
| Country | United States (US) |
| Coordinates | 38.9252, -77.3928 (map) |