Geographic Regions and Area Codes

Area code 703 is located in Northern Virginia and covers several key regions. It includes the independent cities of Arlington, Alexandria, Centreville, Fairfax, Falls Church, and Reston. Additionally, it encompasses parts of Loudoun, Prince William, and Stafford Counties. This area code is part of the Greater Washington, D.C. metropolitan area, making it a significant region for both residential and business activities. The primary area code for this region is 703, with an overlay of area code 571.

Key regions covered by area code 703:

  • Arlington
  • Alexandria
  • Centreville
  • Fairfax
  • Falls Church
  • Reston
  • Parts of Loudoun, Prince William, and Stafford Counties