Arcadia, CA

ZIP code 91066 is located in Pasadena, California. This area is home to the famous California Institute of Technology (Caltech) and Pasadena City College. Other notable landmarks include the Jet Propulsion Laboratory (JPL) and the Eaton Canyon Natural Area, known for its hiking trails and waterfall. The zip code encompasses a mix of residential areas and educational institutions, making it a vibrant and diverse community.