Washington, DC

ZIP code 20427 is located in Washington, D.C. This area is home to the United States Capitol Building, a historic and iconic landmark that serves as the seat of the U.S. Congress. The zip code also includes the Library of Congress, the largest library in the world with a vast collection of books, recordings, photographs, and maps.

ZIP code 20427

Washington, DC

United States

US > DC > District of Columbia County > 20427

Daylight Saving: Yes
Time Zone: Eastern
Area Code: 202
This ZIP code is type "Unique" (applies to a single address, usually a single large building or complex).

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