| 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 |
|---|---|---|---|
| 571-248 | Haymarket | Prince William | Landline |
| 571-659 | Dumfries | Prince William | Landline |
| 571-292 | Manassas | Prince William | Landline |
| 571-414 | Arlington | Arlington | Landline |
| 571-749 | Fort Myer | Arlington | Landline |
| 571-551 | Arlington | Arlington | Landline |
| 571-239 | Arlington | Arlington | Wireless |
| 571-364 | Manassas | Prince William | Wireless |
| 571-341 | Falls Church | Falls Church City | Wireless |
| 571-230 | Fort Myer | Arlington | Wireless |
| 571-359 | Manassas | Prince William | Wireless |
| 571-223 | Leesburg | Loudoun | Landline |
| 571-376 | Reston | Fairfax | Wireless |
| 571-565 | - | - | - |
| 571-489 | Fort Myer | Arlington | Wireless |
| 571-527 | Arlington | Arlington | Landline |
| 571-970 | Arlington | Arlington | Landline |
| 571-220 | Arlington | Arlington | Wireless |
| 571-472 | - | - | - |
| 571-318 | Vienna | Fairfax | Wireless |