In which state is the city of Vail located?

In which state is the city of Boulder located? In which state is the city of Fort Collins located? In which state is the city of Pueblo located? In which state is the city of Aspen located? In which state is the city of Durango located? In which state is the city of Bridgeport located? In which state is the city of New Haven located? In which state is the city of Stamford located?