Newhall, CA

ZIP code 91321 is located in Newhall, California, within the city of Santa Clarita. This area is home to the William S. Hart Park and Museum, showcasing the former silent film star's historic mansion and extensive Western art collection. Additionally, Placerita Canyon State Park offers hiking trails, a nature center, and the site of the historic "Oak of the Golden Dream," where gold was first discovered in California.