CNX is located just north of Chicago’s Loop.


CNX Corporation 700 N Green Street, Suite 304 Chicago, IL 60642

(312) 477-7450 (phone)


Visit the CNX forum site at 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 Your email will be returned within 24 hours.

CNX Office

Our Headquarters at 700 N Green Street

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We would love to hear from you.