Grand Junction Area Chamber of Commerce Share: Non-Profit: Organizations Grand Junction Area Chamber of Commerce Visit Website 360 Grand Ave Grand Junction, CO 81501 (970) 242-3214 (970) 242-3694 (fax) About Map About With more than 1,000 members, the Grand Junction Area Chamber of Commerce is the largest and most effective business building and networking orginaization. What's Nearby? Distance: 5 10 15 20 25 50 mi.