Telephone:
Commercial: 301-744-2602
DSN: 354-2602

Fax:
Commercial: 301-744-2603
DSN: 354-2603

Postal Address:
Joint Interoperability Test Command
3341 Strauss Avenue Suite 236
Indian Head, MD 20640

Visitor Support Center
Commercial: (301)744-2655
DSN: 354-2655

General Testing Support
Primary: 703-882-2280
Alternate: 301-744-2804