Washington, DC

ZIP code 20540 is located in Washington, DC. This area is home to the Library of Congress, the largest library in the world, and the U.S. Supreme Court. Visitors can also admire the stunning architecture of the Jefferson Building and explore the extensive collection of books, manuscripts, and historical documents housed in the Library of Congress.

ZIP code 20540

Washington, DC

United States

US > DC > District of Columbia County > 20540

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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