Perfect prime rib. Stephen Walls / Getty Images. Prime rib is a classic roast beef preparation made from the beef rib primal cut, usually roasted with the bone in and served with its natural juices (au jus). Restaurants that serve prime rib are required to use beef that has been graded prime by the USDA.
The Fast Lane Answer. A ZIP Code is a group of five or nine numbers that are added to a postal address to assist the sorting of mail. A complete, 9-digit ZIP Code, including its additional four digits (called a ZIP+4 Code), is the designation of a delivery route.
Updated March 03, 2017. ZIP Codes, five digit numbers that represent small areas of the United States, were created by the United States Postal Service in 1963 to aid in the efficiency of delivering the ever-increasing volume of mail. The term ZIP is short for Zone Improvement Plan..