Area codes::Washington metropolitan area


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Area codes

  • 202 – Washington, D.C.
  • 571/703 – Northern Virginia including the cities of Alexandria, Fairfax, and Falls Church as well as Arlington, Fairfax, and Loudoun counties (571 created 1 March 2000; 703 in October 1947).
  • 240/301 – portions of Maryland in the Greater Washington, D.C. metro area, southern Maryland, and western Maryland
  • 540 – Fredericksburg/Spotsylvania/Warrenton
  • 304 – Jefferson County, West Virginia

Washington metropolitan area sections
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Area codes
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