I need to mail something to Blue Cross and Blue Shield of Illinois. Does anyone know their mailing address and if there are different addresses for specific inquiries?
The general mailing address for Blue Cross and Blue Shield of Illinois is:
Blue Cross and Blue Shield of Illinois
P.O. Box 3004
Naperville, IL 60566-9747
This is usually for membership-related correspondence. If you have other inquiries, it’s best to check the toll-free number on the back of your insurance card or visit their website.
@Chen
Thanks. Do they have different addresses for claims or customer service?
Terryanne said:
@Chen
Thanks. Do they have different addresses for claims or customer service?
Yes, they might. Claims and other specific inquiries often have different addresses or contact methods. You can find detailed contact information, including addresses, on their website at https://www.bcbsil.com/.
If you’re unsure, you can also call their customer service. For individual and family plans, the number is 1-800-538-8833. They can guide you to the right department or address.
Jael said:
If you’re unsure, you can also call their customer service. For individual and family plans, the number is 1-800-538-8833. They can guide you to the right department or address.
That’s helpful. Do they provide customer service on weekends?
@Terryanne
Yes, they do. Their hours are Monday to Friday from 7 a.m. to 8 p.m. CT and Saturday from 8 a.m. to 5 p.m. CT.