Location & Contact Information
Visit the Reading Room
John Adams Building, LA 500
Library of Congress
120 Second Street, SE
Washington, DC 20540-4810
Metro: Capitol South on the Blue, Orange, and Silver lines
Ask a Librarian
Science and Technology Ask a Librarian
Phone
Phone: (202) 707-5639
Mail can be sent to the address below. Please note, however, that US Postal Service mail delivery to Capitol Hill may experience significant delays due to security protocols. For the most prompt response, please contact us through Ask a Librarian.
Science & Business Reading Room
Library of Congress
101 Independence Ave. SE
Washington, D.C. 20540-4810