Customer Service Center (CSC)
- Springfield: 217-524-DoIT (217-524-3648)
- Chicago: 312-814-DoIT (312-814-3648)
Standard Support Service Hours
Mon–Fri: 8:00 a.m. – 5:00 p.m.
If you have a specific question regarding a service or product, please visit the Service Catalog or please use our convenient online
For service issues, please fill out and submit the form below: