1. The JPMorgan Chase Tower is the tallest building in Houston and the tallest five-sided building in the world. It stands at 1,002 feet tall and has 75 floors. The building was completed in 1982 and has since become a landmark in the city skyline. It features an observation deck on the 60th floor known as the \"Sky Lobby\" that offers stunning views of the city. There is also a restaurant located on the 60th floor called \"Skyline\" that offers fine dining with a view.

2. The working hours for the building are generally from Monday-Friday, 8am-6pm. The phone number for the building is (713) 216-5000.

3. As of 2021, the observation deck is closed to the public. However, the building is easily accessible via public transportation with the METRORail running nearby. Parking is available in nearby garages for a fee. There is no ticket fee to enter the building during regular business hours, but visitors should check in with security upon arrival.