Contact Us

NOTICE - Enterprise Email Change: DTIC uses the email address that is on your CAC for your access to our controlled sites and for our communication with you. If your email address changes to a "" address, you might have access issues for our systems and your groups within these systems or you might be missing messages from DTIC.

While we work on a comprehensive approach to this issue, please contact DTIC's Customer Access Team for assistance at 1-800-CAL-DTIC (1-800-225-3842) or 703-767-8273 or DSN 427-8273 or

Our Mailing address:
Defense Technical Information Center
8725 John J. Kingman Road
Ft. Belvoir, VA 22060-6218


Need to speak to a DTIC representative? Yes, at DTIC you can still speak to a knowledgeable person. Call 1-800-CAL-DTIC (1-800-225-3842) or 703-767-8274 or DSN 427-8274 Monday through Friday from 7:00 a.m. - 5:00 p.m. Eastern time.

Directions to DTIC and DTIC Directory of email addresses and phone numbers.