To find the phone number of any CMS or state agency employee use the online directory.
Customer Service Center (CSC) Statewide Telecommunications - IT Service and Support for Consolidated Agencies 1-800-366-8768 (follow selection prompts) In Springfield: 217-524-4784 (follow selection prompts) CSC Staff Directory [PDF, 226KB] Find Your CSS for Telecom Services [PDF, 35KB]