Locations
HCSC/Illinois
300 E. Randolph St.
Chicago, IL 60601
1-800-654-7385
Montana
3645 Alice St.
Helena, MT 59601
1-406-437-5000
New Mexico
5701 Balloon Fiesta
Pkywy NE
Albuquerque, NM 87113
1-800-835-8699
Texas
1001 E. Lookout Dr.
Richardson, TX 75082
1-972-766-6900
Oklahoma
1400 S. Boston Ave.
Tulsa, OK 74119
1-918-551-3500
Other Contacts
General Inquiries
1-312-653-6000
Accounts Payable
ap@bcbsil.com
HR Employee Services
1-866-977-7378
(option 2 for Employment
Verification)