Where is Area Code 571?

Area code 571, which shares some overlay with area code 703, is located in Northern Virginia, specifically Arlington County. In 2005, Arlington was ranked first among walkable cities in the United States by the American Podiatric Medical Association and in 2006 garnered the title as the most educated city with 35.7% of residents having held graduate degrees. Famous national landmarks such as The Pentagon and the Iwo Jima Memorial are located in Arlington making it a major tourist area for those visiting Washington D.C.