If you would like to submit a free Technical Inquiry, please go to our Technical Inquiry request page. If you have another question, comment, or issue, you can contact us in several different ways.
Call us at 443-360-4600 between the office hours of 7:30 am and 5:00 pm EST/EDT Monday through Friday. We strive to answer all calls in person during normal business hours, and the receptionist can help direct your call to the appropriate DSIAC staff member. After hours calls can be routed to our general mailbox or you may choose to select the voice mailbox of a particular DSIAC staff member using the dial by name directory.
We can receive faxes at 410-272-6763.
Postal and shipping address:
Defense Systems Information Analysis Center
4695 Millennium Drive
Belcamp, MD 21017-1505
Please submit general questions using the form below. For specific requests for information (Technical Inquiries), please go to request information form.
You can send an email to DSIAC using the form above at any time and your message will be routed and addressed by the most appropriate DSIAC staff member.
DO NOT, under any circumstance, provide classified or controlled information to the DSIAC in a voicemail, email, fax or regular postal mail.