Southern California Fast-Food Chain To Open First Locations East of Mississippi River In-N-Out Burger, which owns this location in Pomona, California, plans to open its first stores in the Eastern United States in Nashville, Tennessee. (CoStar) By Andy Peters CoStar News January 10, 2023 | 3:19 P.M. In-N-Out Burger, a Southern California-based fast-food chain with a […]