Locations
HCSC/Illinois
1-800-654-7385
Montana
1-406-437-5000
New Mexico
1-800-835-8699
Texas
1-972-766-6900
Oklahoma
1-918-551-3500
Other Contacts
General Inquiries
1-312-653-6000
HR Employee Services
1-866-977-7378
(option 2 for Employment
Verification)