Army Community Service (ACS) is located at 5965 6th Street Building 1263 Fort Belvoir, VA 22060-5561, , . Army Community Service (ACS) can be reached by their main phone number at (571) 231-7001. Alternatively, you can reach Army Community Service (ACS) by phone at (571) 231-7000. You can also reach Army Community Service (ACS) by phone at (571) 231-7032. The listed DSN line is 312-289-7001. Visit the Army Community Service (ACS) website by clicking here.