571 Area Code 🌍☎️
Cities Located in the 571 Area Code
The most populous cities in area code 571 are: Arlington, Herndon, Manassas, Woodbridge, and Leesburg.
Other cities in the 571 area code include: Dunn Loring, Vienna, Lorton, Triangle, Mc Lean, Haymarket, Centreville, Aldie, Alexandria, Sterling, Nokesville, Falls Church, Waterford, Ashburn, Reston, Springfield, Merrifield, Fairfax, and Oakton.
Reverse Phone Lookup in Arlington, VA
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About Arlington, Herndon, and Manassas, Virginia
Arlington County is a county in the Commonwealth of Virginia. It is coterminous with the U.S. Census Bureau - census-designated place of Arlington, which is the second-largest principal city of the Washington metropolitan area. As a result, the county is often referred to in the region simply as " Arlington " or " Arlington, Virginia ". In 2015, the county's population was estimated at 229,164, which would make it the fourth-largest city in the Commonwealth if it were incorporated as such.The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district of Columbia. On February 27, 1801, a year after moving from the temporary National Capital at Philadelphia to the City of Washington, the United States Congress organized the area as a subdivision of the District named Alexandria County. In 1846, Congress returned the land southwest of the Potomac River donated by Virginia due to issues involving Congressional representation and the abolition of slavery. The General Assembly of Virginia changed the county's name to Arlington in 1920 to avoid confusion with the adjacent City of Alexandria.The county is situated in Northern Virginia on the south bank of the Potomac River directly across from Washington, D.C. Arlington is also bordered by Fairfax County and City of Falls Church to the northwest, west and southwest, and the City of Alexandria to the southeast. With a land area of 26 square miles (67 km 2), Arlington is the geographically smallest self-governing county in the United States, and due to state law regarding population density, has no incorporated towns within its borders. As of the 2010 census, the population was 207,627. Due to the county's proximity to downtown Washington, D.C., Arlington is the headquarters for many departments and agencies of the federal government of the United States, including the Department of Defense (DoD) at the Pentagon, Drug Enforcement Administration, Transportation Security Administration (TSA), and Defense Advanced Research Projects Agency (DARPA). It is also home to Ronald Reagan Washington National Airport. The many federal agencies, government contractors, and service industries contribute to Arlington's stable economy. Arlington is also the location of national memorials and museums, including Arlington National Cemetery, the Pentagon Memorial, the Marine Corps War Memorial, and the United States Air Force Memorial.It is the highest-income county in the United States by median family income, though it has the highest concentration of singles in the region. According to a 2016 study by Bankrate.com, Arlington is the best place to retire, with nearby Alexandria coming in at second place. Criteria of the study included cost of living, rates of violent and property crimes, walkability, health care quality, state and local tax rates, weather, local culture and well-being for senior citizens.
Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 23,292 at the 2010 census, which makes it the largest of three incorporated towns in the county.
Manassas is an independent city in the Commonwealth of Virginia. As of the 2010 Census, the population was 37,821. The city borders Prince William County, the independent city of Manassas Park, and Fairfax County. The Bureau of Economic Analysis includes both Manassas and Manassas Park with Prince William County for statistical purposes.Manassas also serves as the seat of Prince William County. It surrounds the 38-acre (150,000 m 2) county courthouse, but that county property is not part of the city. The City of Manassas has several important historic sites from the period 1850–1870.The City of Manassas is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area and it is situated in the Northern Virginia region.
What Time Zone is Area Code 571?
The 571 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 07:39 PM on Jun 20, 2025.
Neighborhood Demographics
Area Codes Near Arlington, Herndon, and Manassas, Virginia
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