The 703 area code is the original telephone area code for Northern Virginia, assigned in 1947 as one of the 86 original North American Numbering Plan codes. It originally covered the entire state of Virginia until 1973, when the eastern and southwestern portions were split off into 804 and 540. Today the 703 area code covers the Washington, D.C. inner suburbs in Northern Virginia (NoVA), including Arlington, Alexandria, Fairfax County, eastern Loudoun County, Falls Church, Manassas, and much of Prince William County.

Which cities are in the 703 area code?

The 703 area code covers a dense set of independent cities, towns, and census-designated places (CDPs) across five counties and two independent cities. Major jurisdictions include:

  • Arlington County — Arlington (also the seat of the Pentagon and Reagan National Airport)
  • City of Alexandria — Old Town, Del Ray, Carlyle, Potomac Yard
  • Fairfax County / City of Fairfax — Fairfax, Falls Church, McLean, Vienna, Reston, Herndon, Tysons, Annandale, Springfield, Burke, Centreville, Chantilly, Great Falls, Dunn Loring, Franconia, Kingstowne, Lake Ridge, Lincolnia, Merrifield, Lorton
  • Loudoun County — Leesburg, Ashburn, Sterling, Purcellville, Round Hill, Hamilton, Middleburg, Lovettsville, Hillsboro, Paeonian Springs, Bluemont, Lansdowne, Potomac Falls, South Riding, Aldie, Brambleton, Broadlands, Stone Ridge, Waterford, Dulles
  • Prince William County — Manassas, Manassas Park, Woodbridge, Gainesville, Haymarket, Dumfries, Dale City, Montclair, Nokesville, Bristow, Triangle, Occoquan, Quantico, Lake Ridge, Catharpin, Independent Hill
  • Fauquier County — Warrenton, Remington, The Plains, Marshall, Catlett, New Baltimore, Bealeton, Opal

What is the overlay area code for 703?

Due to number exhaustion, the 571 area code was overlaid on the same geographic territory in 2000. All new numbers assigned in the 703 region get 571 instead of 703, but both area codes serve the same cities. Local calls still require 10-digit dialing, and the geographic boundaries are identical. This page refers to both 703 and 571 as the Northern Virginia area codes.

What ZIP codes are in the 703 area code?

Communities served by this directory include Arlington, Alexandria, Fairfax, Falls Church, Reston, Herndon, Vienna, McLean, Springfield, Manassas, Leesburg, Ashburn, Sterling, and Woodbridge. Individual phone numbers can move or use an overlay, so an area code alone is not proof of a business location.

What is the population covered by the 703 area code?

The combined 703 + 571 territory covers approximately 2.4 million residents across Northern Virginia, making it one of the wealthier and fastest-growing area codes in the United States. Median household income in many of the cities (Great Falls, Vienna, McLean) exceeds $180,000/year, and the population has grown over 15% in the past decade due to data center expansion, federal-government contractor relocation, and Loudoun County's tech corridor.

Common questions about the 703 area code

Is 703 the same as northern Virginia?

Yes — the 703 area code is the phone code for Northern Virginia. The geographic area is often called "NoVA" locally.

What state is 703 area code in?

Virginia. Every city in the 703 area code is in the Commonwealth of Virginia.

Is 703 a toll-free number?

No. 703 is a regular geographic area code and calls to it are charged at standard rates (though many mobile plans include Northern Virginia as part of free nationwide calling).

What time zone is 703 in?

Eastern Time (ET). Most of the 703 area code observes Eastern Standard Time (EST, UTC-5) in winter and Eastern Daylight Time (EDT, UTC-4) in summer.

How do I look up a phone number in the 703 area code?

Reverse-lookup services and the major carriers' websites can be used to identify 703-numbers. For businesses, the 703 Business Directory lists local small businesses with their public contact information.