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Overview: TRICARE Regional Offices

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Each TRICARE region is served by TRICARE offices which are staffed by beneficiary service representatives who can explain the different TRICARE options and help you choose the plan that suits you best. These offices can also provide:

  • TRICARE benefits interpretation
  • TRICARE Prime enrollment
  • Primary care manager selection and changes
  • Assistance with referrals and appointments to military treatment facilities (MTFs)
  • Claims status and claims resolution and assistance
  • Eligibility status
  • A list of TRICARE network providers and pharmacies
  • Appeals and fraud information
  • TRICARE Forms

If you are living in an overseas location, visit the TRICARE Service Centers page to determine the contact point for your country.

Most regional offices are located within an MTF, but some are freestanding on military installations and in the community. To locate a regional office, find your region on the map below.

TRICARE Regional Office North

The TRICARE North region is managed by Health Net Federal Services, LLC ( 

Covers: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, Rhode Island, Delaware, Maryland, New Jersey, New York, Pennsylvania, Michigan, Wisconsin, Illinois, Indiana, Ohio, Kentucky, West Virginia the District of Columbia, Virginia, and North Carolina.

Note:  This office also covers a small portion of Missouri and Iowa.

Phone: 877-874-2273  (877-TRICARE)

TRICARE Regional Office South

The TRICARE South region is managed by Humana Military, a division of Humana Government Business ( 

Covers: South Carolina, Georgia, and Florida,Alabama, Mississippi, Tennessee,Oklahoma, Arkansas, Louisiana, Texas, excluding southwest corner.

Phone: 800-444-5445 

TRICARE Regional Office West

The TRICARE West region is managed by UnitedHealthcare Military & Veterans (

Covers: New Mexico, Arizona, Nevada and southwest corner of Texas, Colorado, Utah, Wyoming, Montana, Idaho, North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, and Missouri, Hawaii, California, Washington, Oregon, and Alaska.

Phone: 877-988-9378 (877-988-WEST)

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