Contact Us

Phone Numbers

For questions about your benefits or claims information:
Please call the Member Customer Service
number on the back of your member ID card.

For technical questions about the Blue Access for Members^SM Web site:
Internet Help Desk
1 (888) 706-0583
24 hours a day, 7 days a week

Mailing Address

Blue Cross and Blue Shield of Illinois
P.O. Box 805107
Chicago, IL 60680-4112

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Blue Cross and Blue Shield of Illinois, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of New Mexico, Blue Cross and Blue Shield of Oklahoma, and Blue Cross and Blue Shield of Texas,
Divisions of Health Care Service Corporation, a Mutual Legal Reserve Company, an Independent Licensee of the Blue Cross and Blue Shield Association

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