What is tricare customer service phone number? Tricare Customer Service Phone Number. Phone Number of Tricare is 1-800- 444-5445/ 1-800-403-3950 . TRICARE is a Civilian Health and Medical Program of the Uniformed Services (CHAMPUS). TRICARE provides sex civilian health Benefits for military personnel, military retirees, and their dependents, including some members of the Reserve Component.What is tricare claim number? If you are interested in receiving more information on its Benefits, you can call the toll-free number at 888-363-5433. If you want to start claims using the TRICARE for Life program, you can call 866-773-0404 or TDD 866-773-0405.Where is tricare located? Headquarters Address of Tricare TriWest: TriWest Healthcare Alliance has its corporate headquarters situated in PO Box 42049, Phoenix, Arizona 85080-2049, United States that takes care of the operations of the company in different countries across the world.How do i contact tricare south? Contact Tricare South Region. For your convenience to contact Tricare South Region We have provided all possible information of Tricare South Region. You can contact Tricare South Region on the given phone number 1-877-874-2273, 1-800-444-5445.