| 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 |
|---|---|---|---|
| 571-210 | Ashburn | Loudoun | Landline |
| 571-505 | Falls Church | Falls Church City | Wireless |
| 571-699 | Fort Myer | Arlington | Wireless |
| 571-499 | Arlington | Arlington | Wireless |
| 571-344 | Fort Myer | Arlington | Landline |
| 571-839 | Falls Church | Falls Church City | Wireless |
| 571-233 | Leesburg | Loudoun | Wireless |
| 571-289 | Arlington | Arlington | Wireless |
| 571-312 | Falls Church | Fairfax | Landline |
| 571-282 | Falls Church | Falls Church City | Landline |
| 571-385 | Fort Myer | Arlington | Landline |
| 571-338 | Arlington | Arlington | Wireless |
| 571-328 | Arlington | Arlington | Wireless |
| 571-206 | Leesburg | Loudoun | Landline |
| 571-295 | Fort Myer | Arlington | Wireless |
| 571-264 | Woodbridge | Prince William | Wireless |
| 571-402 | Dumfries | Prince William | Landline |
| 571-858 | Arlington | Arlington | Landline |
| 571-305 | Arlington | Arlington | Wireless |
| 571-535 | Manassas | Prince William | Wireless |