How do I enroll in TRICARE Select?
You have 3 options:
1. Online
2. Phone
3. Mail
To learn more, visit the TRICARE Select Enrollment page or the TRICARE Select Overseas page.
Contact Information
East Region Contractor (Humana Military)
1-800-444-5445
https://www.humanamilitary.com/
TRICARE Overseas (including U.S. Territories) International SOS (Overseas Contractor)
Country-Specific Toll-Free Numbers
https://www.tricare-overseas.com/
West Region Contractor (TriWest Healthcare Alliance)
1-888-TRIWEST (874-9378)
https://tricare.mil/west
Last Updated 3/26/2025