| 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 |
|---|---|---|---|
| 571-510 | Leesburg | Loudoun | Landline |
| 571-226 | Dunn Loring | Fairfax | Landline |
| 571-438 | Arlington | Arlington | Landline |
| 571-501 | Falls Church | Falls Church City | Wireless |
| 571-389 | Falls Church | Falls Church City | Wireless |
| 571-408 | Lorton | Fairfax | Wireless |
| 571-486 | Haymarket | Prince William | Wireless |
| 571-589 | Dumfries | Prince William | Wireless |
| 571-433 | Fort Myer | Arlington | Wireless |
| 571-278 | Vienna | Fairfax | Wireless |
| 571-343 | Lorton | Fairfax | Landline |
| 571-399 | Woodbridge | Prince William | Landline |
| 571-207 | Leesburg | Loudoun | Landline |
| 571-598 | Manassas | Prince William | Wireless |
| 571-329 | Arlington | Arlington | Wireless |
| 571-222 | Haymarket | Prince William | Landline |
| 571-306 | Reston | Fairfax | Landline |
| 571-933 | Fort Myer | Arlington | Landline |
| 571-331 | Arlington | Arlington | Wireless |
| 571-308 | Arlington | Arlington | Landline |