710 10th Street, Suite 200 Golden, Colorado 80401
Local Calls: 303-279-3080
Toll Free: 800-633-4417
General Inquiry: please email our membership service representatives.
Website Concerns & Suggestions: please email our webmaster.
CMC OFFICE REGULAR HOURS
11am to 7 pm Monday-Thursday
11am to 3 pm Friday
Closed on weekends and U.S. Federal holidays; other office closures will be noted on the CMC homepage.