As of 2015, there are several ways to contact the Military Star credit card company. Chase's customer service department for the Military Star Rewards MasterCard may be reached at 1-800-524-3883. The company may also be contacted by e-mailing email@example.com. The card company's website also offers an online chat option.
Those wishing to contact Military Star's Exchange Credit Program directly may dial 1-877-891-7827. Customers located outside of the continental U.S., Alaska and Hawaii should use the customer service number specific to their country of residence, which may be found on the program's website. The Exchange Credit Program may also be directly contacted by sending mail correspondence to the Exchange Credit Program, PO Box 650410, Dallas, Texas 75265-0410.