CNX is located just north of Chicago’s Loop.
Forum
Visit the CNX forum site at forums.cnxcorp.com to search or post questions to the CNX Support Team.
Phone support
Current customers can call our support line at (312) 477-7450 (option 1).
If you get voicemail, please leave a message with your call-back information.
Email support
Current customers can send support questions to support@cnxcorp.com. Your email will be returned within 24 hours.
Our Headquarters at 700 N Green Street
Send a quick message
We would love to hear from you.