How do I Contact GCSS Army Support?

You can reach out to one of three Tiers of Support for contact information. The first one is known as the Customer Support Office. It is located at Fort Lee, Virginia. This Tier 1 is operated by CECOM System Engineering Center.

Both Tier 2 and 3 are located with the GCSS Prime Contractor. Here is the contact information to note:

  • Email: [email protected]
  • Toll-free: 1-866-547-1349
  • DSN: 687-1051
  • Commercial: 804-734-1051

Another option is to submit a ticket through the DCSS Customer Support Office Portal at

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