Your Contacts

TRICARE East RegionAlabama, Arkansas, Connecticut, Delaware, the District of Columbia, Florida, Georgia, Illinois, Indiana, Iowa (Rock Island area), Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri (St. Louis area), New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas (excluding El Paso area), Vermont, Virginia, West Virginia, and Wisconsin.–Humana Military

1-800-444-5445

TRICARE East Region Website


TRICARE West RegionAlaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa (excludes Rock Island arsenal area), Kansas, Minnesota, Missouri (except St. Louis area), Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Texas (southwestern corner including El Paso), Utah, Washington and Wyoming.–Health Net Federal Services

1-844-866-9378

TRICARE West Region Website


TRICARE Overseas Region–International SOS Government Services, Inc.

Country-specific toll-free numbers

TRICARE Overseas Website


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When Coverage Begins

If you’re losing any other TRICARE coverage, including the Continued Health Care Benefit Program, you can request for your TRICARE Young Adult coverage to start immediately following your last day of coverage.

  • Mark your requested start date in Box 11 of the application.
  • Your application must be recieved within 30 days of losing your other coverage
    • Call your regional contractor within 30 days
    • Fax your application within 30 days
    • If you mail your application, it must be received or postmarked within 30 days

In all other scenarios, the option you choose—Prime or Select—determines your enrollment deadline and when TRICARE Young Adult coverage begins.

Prime Option

Your coverage begins the day the regional contractor receives your completed enrollment application.

Select Options

When you use Select, you can request your start date to be up to 90 days in the future.

  • Mark your requested start date in Box 11 of the application.
  • If you don’t request a specific start date, your coverage will begin upon receipt of your application. 

Last Updated 12/1/2017