Welcome to TRICARE West

Please note our 2018 holiday hoursOur customer service department is closed on Thanksgiving Day and Christmas Day, and closes at 1:00 p.m. (PT) Nov. 23, Dec. 24 and Dec. 31. You can continue to use our Interactive Voice Response system for transactions such as checking eligibility and making enrollment payments, as well as our online tools. Provider locator services remain available 24/7.  

Your access to care is our priority. Please review the "Five Things to Know" for beneficiaries and providers.

The answers to your questions might be found on our website. We offer public and secure tools (log in required) to help you with your TRICARE transactions. 


West Region States

The TRICARE West Region includes the states of Alaska, Arizona, California, Colorado, Hawaii, Idaho, Iowa (except the Rock Island Arsenal area), Kansas, Minnesota, Missouri (except the St. Louis area), Montana, Nebraska, Nevada, New Mexico, North Dakota, Oregon, South Dakota, Texas (areas of Western Texas only), Utah, Washington, and Wyoming.