CME Group/Chicago HQ
Main Switchboard
Local: 312-930-1000
Toll Free: 866-716-7274
Customer Service
Product inquiries, website issues, and specific questions
Phone: 312-930-2316
Toll Free: 800-331-3332
E-mail: info@cmegroup.com
More CME Group Direct Lines
Click for phone list by department
Use the RSS (Really Simple Syndication) feeds to get rulebook updates, product alerts, general product news, and pre-open, mid-session and trading day recap commentary on the areas listed below. There is no charge for these feeds.