Defense Commissary Agency (DECA) is located at 268 Galaxy Street, Dover AFB, DE 19902. Defense Commissary Agency (DECA) can be reached by their main phone number at (302) 677-3919. Alternatively, you can reach Defense Commissary Agency (DECA) by phone at (302) 677-4189. You can also reach Defense Commissary Agency (DECA) by phone at (302) 677-2329. The listed DSN line is 445-3919. Visit the Defense Commissary Agency (DECA) website by clicking here.