top of page


area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Arlington, Alexandria, Fairfax, Reston, McLean.


Average Income:





Unemployment Rate:

The 571 area code is a crucial part of the telecommunications landscape in Northern Virginia, serving a densely populated and economically significant region adjacent to Washington D.C. Northern Virginia's Expanding Communication Network: Introduced in 2000 as an overlay to the existing 703 area code, the 571 area code covers the same geographic area as 703, including cities and counties such as Alexandria, Fairfax, and Arlington. This introduction was a response to the burgeoning demand for new phone numbers in the rapidly expanding metropolitan region, driven by population growth and the proliferation of mobile devices. Supporting a Diverse and Dynamic Population: The region served by the 571/703 area code combination is known for its high density, economic prosperity, and cultural diversity. It is home to numerous government agencies, technology companies, and defense contractors. The area also boasts a rich historical heritage and is a key part of the greater Washington D.C. metropolitan area. The 571 area code supports the high volume of communication required by these communities and their varied activities. Adaptation to Technological Advancements and Population Growth: The implementation of the 571 area code as an overlay to 703 reflects Northern Virginia's adaptation to rapid urban expansion, technological advancements, and demographic changes. It ensured a continuous supply of phone numbers without the need for residents and businesses to change their existing numbers, reflecting the region's dynamic growth and its status as a major urban and economic center. The 571 area code, along with the 703 area code, is more than just a set of digits; it's a symbol of Northern Virginia's adaptability, diversity, and economic vitality, playing a critical role in connecting the area's densely populated communities and supporting its complex and vibrant economy.
bottom of page