| Place Name | Dulles |
| Place Type | Unincorporated |
| ZIP Code(s) | 20166 |
| County | Loudoun County |
| Area Code(s) | 571,703 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Virginia 10th |
| House of Delegates Districts | 27 |
| State Senate Districts | 32 |