Pasadena, CA

ZIP code 91116 is located in Pasadena, California. This area is known for its iconic landmarks such as the California Institute of Technology (Caltech) and the Pasadena City Hall. The city hall building, with its stunning architecture, is a popular spot for tourists and locals alike. Additionally, Caltech is renowned for its cutting-edge research and academic programs, making it a hub for innovation in the area.