Here are a few ways you can contact the U.S. Department of the Interior, the Secretary and our bureaus:
Department of the Interior
1849 C Street, N.W.
Washington DC 20240
Phone (with employee directory): (202) 208-3100
Email us at email@example.com or use this feedback form. Rest assured, our email address and form go to actual human beings.
Quick note for folks using bots to feed our feedback form: It can only hold so much feedback before it crashes. You'll be better off sending content directly to firstname.lastname@example.org.