The 240 area code is a relatively new addition to the United States telephone numbering plan. It was created in 1997 to serve the Washington, D.C. metropolitan area. Since then, it has become one of the most recognizable and widely used area codes in the country.
Before 1997, the Washington, D.C. area was served by three area codes: 202, 301, and 703. However, the rapid growth of the area in the 1990s led to the need for a new area code. On June 29, 1997, the 240 area code was introduced as an overlay for the existing area codes. This means that 240 numbers can be used alongside 202, 301, and 703 numbers within the same geographic area.
The 240 area code covers a large portion of the Washington, D.C. metropolitan area, including the following counties and cities:
According to the 2020 U.S. Census, the population of the 240 area code is approximately 2.5 million. The area is home to a diverse population, with significant concentrations of African American, Hispanic, and Asian residents. The median household income in the 240 area code is $104,000, which is significantly higher than the national median of $67,521.
The 240 area code encompasses several major cities and landmarks, including:
The 240 area code is a major economic hub. It is home to the headquarters of numerous Fortune 500 companies, including Lockheed Martin, Northrop Grumman, and General Dynamics. The area also has a strong presence in the healthcare, technology, and education sectors. The unemployment rate in the 240 area code is 3.5%, which is significantly lower than the national unemployment rate of 6.0%.
The 240 area code is well-connected by public transportation. The Washington Metropolitan Area Transit Authority (WMATA) operates a network of Metro subway and bus lines throughout the area. Additionally, the Washington Dulles International Airport (IAD) and Baltimore/Washington International Airport (BWI) provide air service to the region.
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If you live or work in the Washington, D.C. metropolitan area, it is important to be aware of the 240 area code. By following the tips and tricks outlined above, you can ensure that you are using the area code correctly.
Characteristic | Value |
---|---|
Population | 2.5 million |
Median Household Income | $104,000 |
Unemployment Rate | 3.5% |
Racial Composition | |
African American | 25% |
Hispanic | 20% |
Asian | 15% |
White | 40% |
City | State | Population |
---|---|---|
Washington, D.C. | District of Columbia | 689,545 |
Bethesda | Maryland | 63,098 |
Silver Spring | Maryland | 71,452 |
Arlington | Virginia | 238,643 |
Transportation Mode | Operator | Coverage |
---|---|---|
Metro Subway | WMATA | Washington, D.C. metropolitan area |
Metro Bus | WMATA | Washington, D.C. metropolitan area |
Washington Dulles International Airport | Metropolitan Washington Airports Authority | Northern Virginia |
Baltimore/Washington International Airport | Maryland Aviation Administration | Baltimore, Maryland |
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