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Understanding the 240 Area Code: A Comprehensive Guide

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.

History of the 240 Area Code

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.

Geographic Coverage of the 240 Area Code

The 240 area code covers a large portion of the Washington, D.C. metropolitan area, including the following counties and cities:

  • Maryland: Montgomery County, Prince George's County
  • Virginia: Fairfax County, Arlington County, Alexandria City
  • Washington, D.C.: Entire city

Population and Demographics

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.

Major Cities and Landmarks

The 240 area code encompasses several major cities and landmarks, including:

  • Washington, D.C.: The nation's capital, home to the White House, Capitol Building, and Smithsonian Institution.
  • Bethesda, Maryland: A wealthy suburb known for its medical and research institutions, including the National Institutes of Health (NIH).
  • Silver Spring, Maryland: A diverse city with a vibrant arts and culture scene.
  • Arlington, Virginia: A historic town across the Potomac River from Washington, D.C., home to the Pentagon.

Economic Profile

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%.

Transportation and Connectivity

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.

Tips and Tricks for Using the 240 Area Code

  • When dialing a 240 number from within the Washington, D.C. metropolitan area, you do not need to include the area code.
  • However, if you are dialing a 240 number from outside the area code, you must include the area code.
  • When dialing a 240 number from a cell phone, you can simply dial the 10-digit number.
  • The 240 area code is NOT toll-free. You will be charged the same rate as for any other call within the Washington, D.C. metropolitan area.

Step-by-Step Guide to Using the 240 Area Code

  1. Determine if you are calling within the Washington, D.C. metropolitan area. If you are, you do not need to include the area code.
  2. If you are calling from outside the area code, include the 240 area code.
  3. Dial the 10-digit number, including the area code.
  4. Enjoy your conversation!

Pros and Cons of the 240 Area Code

Pros:

  • Increased capacity: The 240 area code provides additional capacity for the growing population of the Washington, D.C. metropolitan area.
  • Easier to remember: The 240 area code is relatively easy to remember, with its three distinct digits.
  • No toll charges: Calls to 240 numbers within the Washington, D.C. metropolitan area are not toll-free.

Cons:

  • Can be confusing for out-of-area callers: Out-of-area callers may not be aware that they need to include the 240 area code when dialing.
  • Overlaps with other area codes: The 240 area code overlaps with the 202, 301, and 703 area codes, which can lead to confusion.

Call to Action

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.

Additional Resources

Tables

Table 1: Population and Demographics of the 240 Area Code

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%

Table 2: Major Cities in the 240 Area Code

City State Population
Washington, D.C. District of Columbia 689,545
Bethesda Maryland 63,098
Silver Spring Maryland 71,452
Arlington Virginia 238,643

Table 3: Transportation Options in the 240 Area Code

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
Time:2024-10-08 05:41:03 UTC

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