Area code 202 covers the entirety of Washington, D.C., the capital of the United States. Introduced in 1947, this iconic area code represents the political heart of the nation. The area is home to renowned landmarks such as the U.S. Capitol, the White House, the National Mall, and the Smithsonian museums. Washington, D.C. is known for its historic architecture, vibrant neighborhoods like Georgetown and Capitol Hill, and a rich blend of culture, power, and education.