Katy, Texas, is the "hottest" zip code in the country. A new list ranks the "most popular ZIP codes" in the U.S. Katy, Texas, came in at No. 1 Katy is a part of the Greater Houston metropolitan area.

Park City's 84060 ZIP code is the priciest in Utah ... Meanwhile, short-term rentals are only allowed in certain zones. "Where you can and can't have nightly rentals in Park City is really ...