Hertz Rent A Car Hertz Rent A Car, 24890 E. 78th Ave., Denver, CO 80249 Local: (303) 342-3800 Free Us: (800) 654-3131 Visit Website Overview Short term and multi month renting of economy vehicles up to large SUVs. Related Articles Things to Do with Kids in Boulder: Ideas by Age 13 Uniquely Boulder Shops The Top Things to Do in Boulder 10 Ways to Savor "America's Foodiest Town" A Guide to Boulder’s Flatirons Scenic Drives from Boulder