How do I know what region I’m in?
Where you live determines your region. Regions only apply to the following health plans:
- TRICARE Prime
- TRICARE Prime Overseas
- TRICARE Select
- TRICARE Select Overseas
- TRICARE Young Adult
- TRICARE Reserve Select
- TRICARE Retired Reserve
If you live in: | You're a part of the: |
Alaska |
West Region 1-888-TRIWEST (874-9378) * There are some ZIP codes in:
Check to see if your ZIP code is in the East or West by going to the TRICARE Changes page. In the far-right navigation bar, enter your ZIP code into the tool called “What’s my TRICARE region in 2025?” |
If you live in: | You're a part of the: |
Alabama Arkansas* Connecticut Delaware District of Columbia Florida Georgia Indiana* Kentucky Maine Maryland Massachusetts Michigan Mississippi Missouri* New Hampshire New Jersey New York North Carolina Ohio Pennsylvania Rhode Island South Carolina Tennessee Vermont Virginia West Virginia Wisconsin* |
East Region * There are some ZIP codes in:
Check to see if your ZIP code is in the East or West by going to the TRICARE Changes page. In the far-right navigation bar, enter your ZIP code into the tool called “What’s my TRICARE region in 2025?” |
If you live: | You're a part of the: |
Outside of the United States |
Overseas Region Overseas Contractor: |
Last Updated 1/2/2025