Telephone Fax and Numbers

+1 (202) 861-0020 (phone)
+1 (202) 861-0040 (fax)

For a full list of extensions, see our Staff page.

Not sure whom to contact? Email us at, and your mail will be routed to the correct person.

Are you a reporter? Email Shiva Stella at

Interested in an internship? Get all the information you need here.

Our Address

Public Knowledge
1818 N Street, NW
Suite 410
Washington, DC 20036