DEERS Information Accuracy

All TRICARE beneficiaries should have up-to-date information in the Defense Enrollment Eligibility Reporting System (DEERS). Eligible beneficiaries must have the most accurate family and beneficiary data in DEERS. Eligible beneficiaries may update their addresses in DEERS by:

    o Visiting local personnel offices that have an ID card facility.

      NOTE: You can search online for the location of the nearest ID card issuing office at http://www.dmdc.osd.mil/rsl/

    o Calling the Defense Manpower Data Center Support Office (DSO) Telephone Center at 1-800-538-9552. The best time to call the Telephone Center is Wednesday - Friday, between 9 - 3 (Pacific Time) to avoid delays.

    o Faxing address changes to 1-831-655-8317

    o Mailing the change information to the DSO, Attn: COA, 400 Gigling Road, Seaside, CA 93955-6771

    o Visiting a military treatment facility

    o Emailing information to addrinfo@osd.pentagon.mil and include the following information:

       Sponsor's Name and Social Security Number

       Name(s) of other family members affected by the address change

       Effective date of address information

       Telephone number (to include area code), if available

To change information other than address data, however, beneficiaries may only visit an ID card facility, mail or fax changes with appropriate documentation to the address/numbers provided above. To learn what documentation is required, call an ID card facility or the DSO toll-free number, 1-800-538-9552. The hours of operation for DSO are Monday-Friday (excluding Federal Holidays), 0600-1530 (Pacific Time).