| General Information about Area Code 571 | |
|---|---|
| Country | United States |
| State / Province / Territory | Virginia |
| Major City | Herndon |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 571-247 | Manassas | Prince William | Landline |
| 571-992 | Vienna | Fairfax | Wireless |
| 571-931 | Triangle | Prince William | Landline |
| 571-452 | Alexandria | Alexandria City | Landline |
| 571-419 | Falls Church | Fairfax | Wireless |
| 571-435 | Fort Myer | Arlington | Wireless |
| 571-448 | Springfield | Fairfax | Landline |
| 571-252 | Leesburg | Loudoun | Landline |
| 571-585 | Vienna | Fairfax | Wireless |
| 571-314 | Fort Myer | Arlington | Wireless |
| 571-333 | Leesburg | Loudoun | Landline |
| 571-721 | Fort Myer | Arlington | Wireless |
| 571-635 | Arlington | Arlington | Wireless |
| 571-218 | Fort Myer | Arlington | Landline |
| 571-449 | Reston | Fairfax | Wireless |
| 571-342 | Reston | Fairfax | Wireless |
| 571-919 | Leesburg | Loudoun | Wireless |
| 571-297 | Falls Church | Falls Church City | Landline |
| 571-474 | - | - | - |
| 571-420 | Leesburg | Loudoun | Wireless |