How to contact TRICARE customer service?

TRICARE offers multiple customer service channels to help beneficiaries with their healthcare needs. The main TRICARE information line is 1-800-TRICARE (1-800-874-2273), which provides general information and directs callers to appropriate resources. For plan-specific assistance, contact your regional contractor: Humana Military at 1-800-444-5445 for East Region beneficiaries, or TriWest Healthcare Alliance at 1-844-866-9378 for West Region beneficiaries. For overseas beneficiaries, contact International SOS through the regional numbers provided on tricare.mil/overseas. Additional contact options include the TRICARE Nurse Advice Line at 1-800-874-2273 (option 1) available 24/7, Express Scripts for pharmacy questions at 1-877-363-1303, United Concordia for dental program inquiries at 1-844-653-4061, DEERS Support Office at 1-800-538-9552, and the Defense Health Agency through tricare.mil for general information and resources. Online, you can access self-service tools through milConnect, your regional contractor's website, and the TRICARE website. Social media channels including Facebook and Twitter provide additional information and updates. When calling, have your military ID card and sponsor's information ready to expedite assistance. Customer service hours vary by contractor but generally operate Monday through Friday during business hours, with the Nurse Advice Line available 24/7.