Your Contacts

TRICARE East Region–Humana Military 

1-800-444-5445

TRICARE East Region Website


TRICARE West Region–Health Net Federal Services (Through Dec. 31, 2024)

844-866-9378

TRICARE West Region Website

TRICARE West Region-TriWest Healthcare Alliance (Starting Jan. 1, 2025)

888-TRIWEST (874-9378)

TRICARE West Region Website


View More Contacts

Regions

TRICARE is available worldwide and managed in three separate regions. 

  • The two U.S. regions are shown here.
  • Anywhere outside of the U.S. is considered overseas.
  • Each region has its own regional contractor.

How do I know what region I’m in?

See the charts below for contact information.

            TRICARE Stateside Regions until Jan 1st 2025 

            TRICARE Stateside Regions starting Jan 1st 2025

Last Updated 11/27/2024