As of 2015, the Blue Cross and Blue Shield Association can be reached directly by calling 1-888-630-2583 for general inquiries about the purchase of health insurance. Registered customers can find a customer service telephone number on the back of their membership card, according to Blue Cross and Blue Shield.
The Blue Cross and Blue Shield Association is comprised of 36 individual and independent companies that provide health insurance coverage to 106 million people in the United States. The association's website provides links to locate and contact the appropriate service provider in each state, explains Blue Cross and Blue Shield.
Blue Cross was founded in 1929 to insure prepaid hospital coverage. Blue Shield began a year later, providing reimbursement for physician services. By 1955, close to 70 percent of the U.S. population had health insurance coverage, as noted by Blue Cross and Blue Shield.