Receive a local area code
571
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Economic Overview
The 571 area code region is a major economic hub within Northern Virginia, characterized by a strong presence of federal government agencies, defense contractors, technology firms, and professional services. Key industries include information technology, telecommunications, consulting, and government contracting, with major employers such as the federal government, Booz Allen Hamilton, Northrop Grumman, and Verizon. The proximity to Washington, D.C. also supports a vibrant hospitality, retail, and real estate sector.
Geographical Overview
Area code 571 primarily serves Northern Virginia, including much of Fairfax County, Arlington County, Loudoun County, Prince William County, and the independent cities of Alexandria, Fairfax, Falls Church, Manassas, and Manassas Park. The region encompasses many of Washington, D.C.’s closest suburbs and exurbs, making it one of the most densely populated and developed parts of Virginia.
Location Info
Area code 571 overlays the same region as area code 703, covering the majority of Northern Virginia’s suburban communities directly adjacent to Washington, D.C. Its boundaries include cities such as Arlington, Alexandria, Fairfax, Reston, Herndon, Tysons, Vienna, McLean, Chantilly, Ashburn, and Manassas. The 571 area code does not extend into Washington, D.C. or Maryland, focusing solely on Northern Virginia.
Population Demographics
The 571 area code region is diverse and highly educated, with a large proportion of residents holding advanced degrees and working in professional, scientific, and technical fields. The population includes significant communities of international residents, especially from South Asia, East Asia, and Latin America, reflecting the area’s cosmopolitan character. Median household incomes are among the highest in the United States.
Time Zone Info
Area code 571 is located entirely within the Eastern Time Zone (ET).
Other Area Code Details
Area code 571 was introduced in 2000 as an overlay to accommodate the growing demand for new phone numbers in the fast-growing 703 region. The region is home to several major landmarks, including the Pentagon, Dulles International Airport, and historic sites such as George Washington’s Mount Vernon. It is also known for its proximity to national parks and its role as a technological and economic engine for the greater Washington metropolitan area.
