Locations for Area Code - 571

Area code 571 is an overlay for northern Virginia’s 703 area, covering suburbs of Washington, D.C., including Fairfax, Arlington, Alexandria, and parts of Loudoun and Prince William counties. Introduced in 2000 to handle the explosive growth of the D.C. metro area, it requires ten-digit dialing. The 571 region is known for its government contractors, tech companies, and affluent residential communities. This area code embodies the political power and economic dynamism of Northern Virginia, often associated with national defense, technology innovation, and commuter culture. It’s a prestigious and highly sought-after area code reflecting the capital’s influential suburbs.