ZIP Code 20172
| Post Office City | Herndon, VA |
|---|---|
| County | Fairfax County |
| Area Code | 571 |
| Longitude | -77.38 |
| Latitude | 38.98 |
| Radius | ~3 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |
| Post Office City | Herndon, VA |
|---|---|
| County | Fairfax County |
| Area Code | 571 |
| Longitude | -77.38 |
| Latitude | 38.98 |
| Radius | ~3 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |