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

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Capitol Rotunda
The U.S. Capitol Rotunda is a large, domed, circular room located 96 feet in...

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Getting Here
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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AOC Elevator Mechanics at the Library of Congress
“We deal with a lot of history.” No, those aren’t the words of the AOC’s...

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