TRS offices are closed for all official State of Illinois holidays.
Member Services Email & Phone Numbers
When you email us, please include your full name, city and state of residence, and the last four digits of your Social Security number in your message. Please do not include confidential information in your email message since email submissions on this site are unsecured.
For Springfield and Lisle:
Monday through Friday; 8:30 a.m. to 4:30 p.m (central standard time)
Click here to view ADA notice.
Telecommunications Device for the Deaf (TDD for the hearing impaired)
800-526-0844 (or 711)
Springfield and Lisle: (217) 787-2269
Office of Legal Counsel: (217) 753-0967
Teachers' Retirement Insurance Program (TRIP)
My Benefits Marketplace: (844) 251-1777
Central Management Services: (217) 782-2548 or (800) 442-1300
Other Department Phone Number and Emails
888-678-3675, Ext. 2759