Phone Number of 
Joint Staff is 
703-545-6700 .
The
 Joint Chiefs of Staff (JCS) is agency of leaders in the
 United States Department of Defense. Its members provides advices to Secretary of Defense, National Security Council and the President on military issues. All the members of the body are appointed by President of the country after the conformation of Senate. The body does not have any command authority. Its headquarter is located in Pentagon that houses personnel of every
 Department of Defense armed services. The address and contact number of Joint Staff is also used for 
Joint Staff J4, 
Joint Staff J2, 
Joint Staff J3, 
Joint Staff J8, 
Joint Staff Portal, 
Joint Staff J5 and 
Joint Staff College.
 
Joint Staff Address 
The address of Joint Staff is 9999 Joint Staff Pentagon, Washington, DC 20318-9999, United States.
Joint Staff Website 
The Website of Joint Staff is 
www.jcs.mil.
Joint Staff Customer Support Service Phone Number 
The customer support phone number of Joint Staff is 
703-545-6700 (Click phone number to call).
The postal and 
official address, email address and 
phone number (
helpline) of 
Joint Staff Service Center and 
Joint Staff customer phone number  is given below. The  
helpline of Joint Staff customer phone number may or may not be 
toll free.
Click Here To View  Joint Staff Customer Service Phone Numbers