Virginia currently utilizes 7 area codes. When first established by AT&T and the Bell System in 1947, 703 covered the entire state of Virginia. The most recently added was 276 in 2001. Today, 703 is the most populated with an estimated 2.1 million of the state's 8 million residents.
Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.