Carbon Valley Chamber of Commerce Share: Chambers of Commerce Visit Website Request Info 8308 Colorado Blvd., Ste. 203 Firestone, CO 80504 303-833-5933 www.CarbonValleyChamber.com Hours: 9:00 a.m. to 5:00 p.m. About Map About The Carbon Valley Chamber of Commerce serves businesses and the communities in Dacono, Firestone, and Frederick and the surrounding I-25 corridor. What's Nearby? Distance: 5 10 15 20 25 50 mi.