Area Codes for Washington, DC

There are several area codes actively in use in the Washington, DC metropolitan area, including: 202, 703, 301. Washington, DC proper uses only the 202 area code. Nearby, northern Virginia uses 703 and 571 area codes and Maryland uses 301 and 240.

In Washington, DC, area codes are always included in written telephone numbers and area codes must be dialed for all calls, even for local calling. All US phone numbers are 10-digits total, including a 3-digit area code and a 7-digit local subscriber number.

Washington, DC / Northern Virginia / Maryland area code information:

Washington, DC area codes:
202, 703, 301

Area codes are used to route phone calls to a specific geographic area within a country. All area codes in the United States are exactly 3-digits long.

In the past, a given region often had just one area code. Nowadays, many cities and towns in denser urban areas have 2 or more area codes. Washington, DC as yet does not, but overlays are in place in both northern Virginia and Maryland.

To make an inbound international call (or domestic long distance call) to a Washington, DC landline or mobile phone, you need to dial the appropriate 3-digit area code, followed by a 7-digit local subscriber number.

If you don't have a fully specified 10-digit phone number, including area code, you will not be able to complete an inbound call.

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Area Codes Used In & Near Washington, DC

There are several area codes used in Washington, DC and surrounding areas. As yet, Washington, DC has not implemented any 'overlay' area codes, but northern Virginia and Maryland have. Overlay area codes provide additional phone number capacity without disturbing existing phone number assignments.

Here are the area codes in use for greater Washington, DC metro area.

Washington, DC Area Codes

Area Codes Main Locations
 202  Washington, DC
northern Virginia locations, including Alexandria, Annandale, Arlington, Burke, Centreville, Chantilly, Dale City, Fairfax, Groveton, Herndon, Leesburg, McLean, Mount Vernon, Oakton, Reston, Springfield, West Springfield, Woodbridge
Maryland locations, including Bethesda, Bowie, College Park, Frederick, Gaithersburg, Germantown, Greenbelt, Hagerstown, Landover, North Laurel, Potomac, Rockville, Silver Spring, South Laurel, Wheaton-Glenmont

See maps and other area code listings below for further information.

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Area Codes for Towns in Washington, DC Area

Here are the area codes for the 20 or so largest cities and towns in and around Washington, DC (in alpha order).

Town Area Code(s)
District of Columbia area code
Washington, DC area code  202 
Northern Virginia area codes
Alexandria area code  703 / 571 
Annandale area code  703 / 571 
Arlington area code  703 / 571 
Centreville area code  703 / 571 
Chantilly area code  703 / 571 
Fairfax area code  703 / 571 
Falls Church area code  703 / 571 
Herndon area code  703 / 571 
Leesburg area code  703 / 571 
Manassas area code  703 / 571 
McLean area code  703 / 571 
Oakton area code  703 / 571 
Reston area code  703 / 571 
Tyson's Corner area code  703 / 571 
Springfield area code  703 / 571 
West Springfield area code  703 / 571 
Woodbridge area code  703 / 571 
Maryland area codes
Bethesda area code  301 / 240 
Bowie area code  301 / 240 
College Park area code  301 / 240 
Frederick area code  301 / 240 
Gaithersburg area code  301 / 240 
Germantown area code  301 / 240 
Greenbelt area code  301 / 240 
Hagerstown area code  301 / 240 
Landover area code  301 / 240 
North Laurel area code  301 / 240 
Potomac area code  301 / 240 
Rockville area code  301 / 240 
Silver Spring area code  301 / 240 
South Laurel area code  301 / 240 
Wheaton-Glenmont area code  301 / 240 

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Lookup Washington, DC, Northern Virginia, and Maryland Area Codes

To find the area codes (or ZIP codes) used in the Washington, DC area, please use the search widgets. The first widget looks up area codes and ZIP codes by town. The second widget does reverse lookup by area code or ZIP code.

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Washington, DC Area Code Maps

The following maps show area codes for Washington, DC and nearby areas of Virginia and Maryland.

Washington, DC Area Code Map

Washington, DC area code map

Source: Wikipedia

Maps may not be completely up to date. Check other map links below if this appears out of date.

For additional area code maps, please visit

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City Codes vs. Area Codes

In some cases, area codes may be referred to as city codes. However, a 'city code' more correctly refers to the codes used to designate airports and other geographic locations. These codes are issued under the United Nation's UN/LOCODE system and/or the IATA airport coding system. The city code for Washington, DC is WAS.

Other Area Code Information

Washington, DC online telephone directories
Washington, DC dialing steps

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