Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Discovery of the Mississippi by De Soto
William Henry Powell’s dramatic and brilliantly colored canvas was the last of...

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Prohibited Items at the U.S. Capitol Building
In order to ensure the safety of visitors and staff and to preserve the...

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Dr. William Thornton
 The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Capitol Crypt, circa 1900
The term “crypt” has long referred to a space beneath the main floor of a...

Contact

Contact Information

Contact Information

Architect of the Capitol
SB-15 US Capitol
202-228-1793 (main number)

Capitol Switchboard (Operator)
202-224-3121

U.S. House of Representatives
Find your member

U.S. Senate
Find your member

Capitol Visitor Center
202-226-8000

AOC Procurement
202-226-2557

AOC Employment
202.226.7000


Architect of the Capitol Service Centers (Assistance such as plumbing, electrical, lighting, locks, cleaning for employees on Capitol Hill):

Capitol Building
202-228-8800

House Office Buildings
202-225-4141

Senate Office Buildings
202-224-3141