Contact Us

The American Society of International Law

2223 Massachusetts Avenue, NW
Washington, DC 20008 
Phone +1 202-939-6001
Fax +1 202-797-7133

Hours of operation: 9:00 a.m. to 5:00 p.m., Eastern time (GMT -5 hours).

Member and Subscriber Service Center

For membership, meeting registration, publication sales, and subscription inquiries, email or call the Service Center at +1-202-939-6001.
For claims regarding missing publications, please refer to the claims policy and schedule found on the webpage of the periodical in question.   
For inquiries regarding ASIL interest groups and other member activities, contact ASIL Membership Manager Matthew Gomez,


The Society is located just blocks from the Dupont Circle station of the Metro's Red line. Take the North (Q Street) exit from the Dupont Circle station. From the escalator, you will be facing the corner of Q Street and 20th Street. Connecticut Avenue will be behind you. Walking straight ahead, cross 20th Street and continue down Q Street to Massachusetts Avenue, about 2 blocks. Turn right on Massachusetts Avenue, and walk about 2 more blocks. The Society is located at 2223 Massachusetts. Avenue, NW, just past the Greek Embassy, on Sheridan Circle. ASIL headquarters, Tillar House, is at the intersection of R Street and Massachusetts Avenue, where they meet at Sheridan Circle.

Communications and Media Relations

Inquiries from the news media should be directed to ASIL Communications at

Website and Technical Questions

Inquiries regarding our Website should be directed to

  • Inquiries regarding sponsorship or philanthropic support of ASIL should be directed to
  • Inquiries regarding ASIL education and research programs, including CLE, should be directed to
  • Inquiries regarding the American Journal of International Law, International Legal Materials, ASIL Insights, International Law in Brief, and the ASIL Newsletter should be directed to
ASIL’s deFord Library is open to the public during business hours. ASIL members and institutional sponsors enjoy borrowing privileges. Library inquiries should be directed to