International Office: 1525 Wilson Blvd., Suite 605, Arlington, VA 22209
Member Services: 320 W. Eighth Street, Suite 216, Bloomington, IN 47404
Send mail to: P.O. Box 7888, Bloomington, IN 47407-7888
Hours: Mon–Fri 8 a.m.–5 p.m. Eastern (Sept–May) | 8 a.m.–4:30 p.m. Eastern (June–Aug)