The 1stBank Center in Broomfield, Colorado is a multipurpose arena. It is located approximately 15 miles from Downtown Denver, near Flatiron Crossing Mall. It was sponsored by a local bank and opened in 2006. Find out what events are held at the arena below. The Denver Broncos and Colorado Rockies call this center home. The 1STBANK Centre is an indoor venue located near U.S. Route 36, Broomfield, Colorado. Peak Entertainment manages the facility, which has a capacity up to 6,500. The 1STBANK Center offers entertainment, comedy, and sports for guests. The facility features a large floor and bleachers as well as luxury suites that can accommodate parties of up 32 people. The 1STBANK Center was originally called the Broomfield Event Center. It can accommodate up to 6,500 people. There are several VIP suites available and flexible layout options. The building's outdoor patio deck has a stunning view of the Denver skyline. The center also features a cafe and a gym. The food and drinks offered are of the highest quality, and the ambience is warm and welcoming.