Newhall, CA

ZIP code 91321 belongs to Newhall, a neighborhood in Santa Clarita, California. This area is home to the William S. Hart Park and Museum, showcasing the former silent film star's ranch home and artifacts. The area also features the Placerita Canyon Nature Center, offering hiking trails and educational programs. Additional landmarks in the area include the Newhall Pass interchange and Six Flags Magic Mountain amusement park.