North American telephone area codes 703 and 571 are Virginia overlay area codes which serve most telephone installations in Northern Virginia, including the independent cities of Alexandria, Fairfax, Falls Church and Manassas, as well as the counties of Arlington, Fairfax, parts of Fauquier County, Virginia, eastern Loudoun, Prince William and Stafford. Area code 703 was created as one of the original area codes in October 1947 for the entire state.
* Area code 804 was split from 703 on June 24, 1973. * Area code 703 was again split on June 19, 1995 to form Area code 540. * Area code 571 was created on March 1, 2000 as an overlay to area code 703.
|Neighboring Area Codes|
|West: 540||area code 571/703||East: 240/301, 202|