571 Area Code
Northern Virginia (overlay), Virginia
Area code 571 is located in Northern Virginia (overlay), Virginia. It covers Arlington, Alexandria, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 571?
Area code 571 is located in Northern Virginia (overlay), Virginia. It covers Arlington, Alexandria, and surrounding areas in the Eastern time zone (UTC-5).
Cities Covered by Area Code 571
Area code 571 primarily serves the Northern Virginia (overlay) area of Virginia. The exact coverage includes Arlington, Alexandria, and Reston, along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 571 operates in the Eastern Time Zone. When calling 571 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 571
Area code 571 was introduced in 2000 as a geographic area code serving Northern Virginia (overlay), Virginia. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.