Contact Us

If you have any questions about your benefits, contact your Blue Cross and Blue Shield of Illinois Customer Service Center for AT&T employees at (800) 621-7336.

How Can We Help You?

Welcome visitors and potential members to the AT&T Blue Cross and Blue Shield of Illinois (BCBSIL) benefit page.

Here, you can find the answers to questions you have about BCBSIL health care benefits.

Advantages of BCBSIL coverage:

  • Dedicated member services team to help you with your needs
    • Phone: (800) 621-7336
    • Hours: 7:00 AM - 7:00 PM (CT)

Please select the benefit plan for which you are eligible:

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